diff --git a/build.py b/build.py
index 818c4c1..b9bce96 100755
--- a/build.py
+++ b/build.py
@@ -24,9 +24,10 @@ if __name__ == "__main__":
 #    rougailconfig = RougailConfig.copy()
     rougailconfig = get_rougail_config(backward_compatibility=False, add_extra_options=False)
     rougailconfig['main_structural_directories'] = ['firefox']
-    if Path('config/namespace').is_file():
+    if Path('namespace').is_file():
         has_namespace = True
         has_foxyproxy = False
+        rougailconfig['main_namespace'] = 'Firefox'
     elif Path('foxyproxy').is_dir():
         has_foxyproxy = True
         has_namespace = True
@@ -36,6 +37,11 @@ if __name__ == "__main__":
         has_foxyproxy = False
         has_namespace = False
         rougailconfig['main_namespace'] = None
+    if Path('types').is_dir():
+        has_types = True
+        rougailconfig['types'] = [str(d) for d in Path('types').iterdir()]
+    else:
+        has_types = False
 #    rougailconfig['tiramisu_cache'] = "cache.py"
     if Path('mode').is_file():
         rougailconfig['modes_level'] = ['basic', 'standard', 'advanced']
@@ -62,12 +68,12 @@ if __name__ == "__main__":
         doc = ''
     yaml = YAML()
     namespace = 'firefox'
-    if rougailconfig['main_namespace']:
+    if has_foxyproxy:
         dirname = "foxyproxy"
     else:
         dirname = "firefox"
     doc += inv_formatter.title('Screenshot', 2) + '\n'
-    doc += f'<img src="{namespace}.png" width=50% height=50% alt="{namespace.capitalize()} Proxy setting"/>\n\n'
+    doc += f'<img src="{dirname}.png" width=50% height=50% alt="{namespace.capitalize()} Proxy setting"/>\n\n'
 #    with doc_file.open('r') as docfh:
 #        doc += docfh.read()
     doc += '\n' + inv_formatter.title('Clone and install', 2) + '\n\n'
@@ -113,6 +119,8 @@ if __name__ == "__main__":
         CMD += "-s Firefox "
     if has_foxyproxy:
         CMD += "-xn FoxyProxy -xd 0 foxyproxy/ "
+    if has_types:
+        CMD += "--types " + " ".join(rougailconfig["types"]) + " "
     if has_mode:
         CMD += "--modes_level basic standard advanced "
     if inv_doc:
@@ -127,7 +135,7 @@ if __name__ == "__main__":
         inv_doc = inventory.run()[1]
         if inv_doc:
             doc += inv_formatter.title("Let's generate the changelog", 3)
-            cmd = CMD + "-o doc --doc.contents changelog"
+            cmd = CMD + "-o doc --doc.contents changelog --doc.changelog.previous_json_file previous.yml"
             doc += f'```shell\n{cmd}\n```\n'
             doc += inv_doc + "\n"
             doc += "***\n"
diff --git a/build.sh b/build.sh
index 74c7ad5..31f38fd 100755
--- a/build.sh
+++ b/build.sh
@@ -54,7 +54,7 @@ for i in $(ls -d "examples"/* | sort); do
         base_url_doc=$(cat $i/URL)
     fi
     if [ -f "$i/TITLE.md" ]; then
-        echo "- [$(head -n 1 $i/TITLE.md)]($base_url_doc)" >> summary.md
+        echo "- $(head -n 1 $i/TITLE.md) ([doc]($base_url_doc))" >> summary.md
     fi
     if [ -f "$i/SUBTITLE.md" ]; then
         echo "  - $(head -n 1 $i/SUBTITLE.md)" >> summary.md
@@ -66,7 +66,7 @@ for i in $(ls -d "examples"/* | sort); do
         commit_id="v${VERSION}_$num"
         title=$(head -n 1 $i/README.md)
         summary="[tutorial $commit_id] $title"
-        url_doc="$base_url_doc#$(echo $title | tr A-Z a-z | sed 's/ /-/g' | sed 's/’/-/g')"
+        url_doc="$base_url_doc#$(echo $title | tr A-Z a-z | sed 's/ /-/g' | sed 's/’/-/g' | sed 's/\"//g')"
         diff_url="https://forge.cloud.silique.fr/stove/rougail-tutorials/compare/${commit_id}~1..$commit_id"
         echo "    - [$summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/$commit_id/README.md) ([doc]($url_doc) - [diff]($diff_url))" >> summary.md
         cp "summary_total.md" "$DEST"
@@ -83,6 +83,12 @@ for i in $(ls -d "examples"/* | sort); do
                 cp -v "$j" "$DEST/$j"
             done
         fi
+        if [ -d ../types ]; then
+            mkdir -p $DEST/types
+            for j in $(ls -d ../types/* 2>/dev/null); do
+                cp -va "$j" "$DEST/types/"
+            done
+        fi
         cd $DEST
         tree -H $TUTO_ROOT/$commit_id/ -P "*.yml" > tree.html
         cd - > /dev/null
@@ -94,20 +100,18 @@ for i in $(ls -d "examples"/* | sort); do
         msg="[tutorial $commit_id] $(cat ../README.md)"
         [ -e ../firefox.png ] && cp ../firefox.png "$DEST"
         [ -e ../foxyproxy.png ] && cp ../foxyproxy.png "$DEST"
+        [ -e ../namespace ] && cp ../namespace "$DEST"
         cd $BEFORE
         cd "$DEST"
         #
-        before=$(grep "commit/$commit_id/README.md" summary_total.md -B1 | wc -l)
         echo "- [Summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/branch/$VERSION/README.md)" > summary_before.md
-        if [ "$before" = "2" ]; then
-            echo $(grep "commit/$commit_id/README.md" summary_total.md -B1 | head -n 1) >> summary_before.md
+        if [ -n "$old_commit_id" ]; then
+            echo "- [$old_summary](https://forge.cloud.silique.fr/stove/rougail-tutorials/src/commit/$old_commit_id/README.md) ([diff]($diff_url))" >> summary_before.md
         fi
         echo "" >> summary_before.md
         echo "# $summary" >> summary_before.md
         echo "" >> summary_before.md
-        echo "[View the diff]($diff_url)" >> summary_before.md
-        echo "" >> summary_before.md
-        echo "[Read the documentation]($url_doc)" >> summary_before.md
+        echo "[Read the tutorial \"$title\" in the documentation]($url_doc)" >> summary_before.md
         after=$(grep "commit/$commit_id/README.md" summary_total.md -A1 | wc -l)
         if [ "$after" = "2" ]; then
             echo $(grep "commit/$commit_id/README.md" summary_total.md -A1 | tail -n 1) > summary_after.md
@@ -117,7 +121,7 @@ for i in $(ls -d "examples"/* | sort); do
             mv config/mode mode
         fi
         "$BUILDER"/build.py "$BUILDER" "$commit_id"
-        rm -rf config/*/README.md config/*/read_write config/namespace config/*/invalid DISPLAY_*
+        rm -rf config/*/README.md config/*/read_write namespace config/*/invalid DISPLAY_*
         rm -rf jinja_caches summary.md summary_before.md summary_after.md summary_total.md
         if [ -f mode ]; then
             MODE=1
@@ -133,13 +137,17 @@ for i in $(ls -d "examples"/* | sort); do
         fi
         git commit -m"$summary (config and doc)"
         git add .
-        git commit -am"$msg"
+        git commit -am"$msg" --allow-empty
         git tag -a "$commit_id" -m"format version $VERSION: $num"
         if [ "$MODE" = 1 ]; then
             touch mode
         fi
         cd - > /dev/null
-#        old_commit_id="$commit_id"
+        old_commit_id="$commit_id"
+	old_summary="$summary"
+#        echo "pouet $i"
+#        [ "$i" = "examples/120" ] && exit 1
+        if [ -f previous.yml ]; then cp -a previous.yml previous_old.yml; fi
     fi
 done
 cd "$DEST"
diff --git a/examples/021/README.md b/examples/021/README.md
index 5ae0405..606c770 100644
--- a/examples/021/README.md
+++ b/examples/021/README.md
@@ -1,8 +1 @@
 Or a sub family
-
-Inside a family, we can have variables or families.
-
-The "type" for family "manual" became unecessary because container an other family, so it's not a variable.
-The description can now be has family comment.
-
-In disabled attribute, it's better tu use relative path (we will see the reason in an other slide).
diff --git a/examples/031/README.md b/examples/031/README.md
index 57a7fb3..bbd0017 100644
--- a/examples/031/README.md
+++ b/examples/031/README.md
@@ -1 +1 @@
-A variable with type's parameters
+A variable with type’s parameters
diff --git a/examples/040/URL b/examples/040/URL
index 28fae4f..3af48c3 100644
--- a/examples/040/URL
+++ b/examples/040/URL
@@ -1 +1 @@
-https://pedago.gwenaelremond.fr/bribes/rougail/tutorial/calculated.html
+https://pedago.gwenaelremond.fr/bribes/rougail/tutorial/properties.html
diff --git a/examples/080/README.md b/examples/080/README.md
index c17fb19..4ab3a2e 100644
--- a/examples/080/README.md
+++ b/examples/080/README.md
@@ -1 +1 @@
-A conditional disabled variable with type web_address
+HTTP Proxy with "proxy" type
diff --git a/examples/080/TITLE.md b/examples/080/TITLE.md
index 6d2ea5c..3ea715f 100644
--- a/examples/080/TITLE.md
+++ b/examples/080/TITLE.md
@@ -1 +1 @@
-A web_address variable
+Custom type
diff --git a/examples/080/config/01/README.md b/examples/080/config/01/README.md
index 2e2d78a..765a56e 100644
--- a/examples/080/config/01/README.md
+++ b/examples/080/config/01/README.md
@@ -1 +1,2 @@
-We cannot configure "auto" if "proxy_mode" is not "Automatic proxy configuration URL".
+If "use_for_https" is false, HTTPS variables are visible in read only mode and in read write mode.
+
diff --git a/examples/080/config/01/config.yml b/examples/080/config/01/config.yml
index 1edbe91..84547fa 100644
--- a/examples/080/config/01/config.yml
+++ b/examples/080/config/01/config.yml
@@ -1,2 +1,9 @@
 ---
-auto: https://auto.proxy.net/wpad.dat
+proxy_mode: Manual proxy configuration
+manual:
+  http_proxy:
+    address: http.proxy.net
+    port: 3128
+  use_for_https: false
+  https_proxy:
+    address: https.proxy.net
diff --git a/examples/080/config/02/config.yml b/examples/080/config/02/config.yml
deleted file mode 100644
index 26df130..0000000
--- a/examples/080/config/02/config.yml
+++ /dev/null
@@ -1,2 +0,0 @@
----
-proxy_mode: Automatic proxy configuration URL
diff --git a/examples/080/structural_files/firefox/10-manual.yml b/examples/080/structural_files/firefox/10-manual.yml
new file mode 100644
index 0000000..1b3761b
--- /dev/null
+++ b/examples/080/structural_files/firefox/10-manual.yml
@@ -0,0 +1,14 @@
+%YAML 1.2
+---
+version: 1.1
+
+manual:
+  description: Manual proxy configuration
+  disabled:
+    variable: _.proxy_mode
+    when_not: Manual proxy configuration
+
+  http_proxy:
+    description: HTTP Proxy
+    type: proxy
+...
diff --git a/examples/080/types/proxy/00_type.yml b/examples/080/types/proxy/00_type.yml
new file mode 100644
index 0000000..d5db586
--- /dev/null
+++ b/examples/080/types/proxy/00_type.yml
@@ -0,0 +1,17 @@
+%YAML 1.2
+---
+version: 1.1
+
+proxy:
+
+  address:
+    description: Proxy address
+    type: domainname
+    params:
+      allow_ip: true
+
+  port:
+    description: Proxy port
+    type: port
+    default: 8080
+...
diff --git a/examples/081/README.md b/examples/081/README.md
new file mode 100644
index 0000000..4587e6e
--- /dev/null
+++ b/examples/081/README.md
@@ -0,0 +1 @@
+HTTPS and SOCKS Proxy
diff --git a/examples/081/config/01/README.md b/examples/081/config/01/README.md
new file mode 100644
index 0000000..765a56e
--- /dev/null
+++ b/examples/081/config/01/README.md
@@ -0,0 +1,2 @@
+If "use_for_https" is false, HTTPS variables are visible in read only mode and in read write mode.
+
diff --git a/examples/081/config/01/config.yml b/examples/081/config/01/config.yml
new file mode 100644
index 0000000..84547fa
--- /dev/null
+++ b/examples/081/config/01/config.yml
@@ -0,0 +1,9 @@
+---
+proxy_mode: Manual proxy configuration
+manual:
+  http_proxy:
+    address: http.proxy.net
+    port: 3128
+  use_for_https: false
+  https_proxy:
+    address: https.proxy.net
diff --git a/examples/081/structural_files/firefox/20-manual.yml b/examples/081/structural_files/firefox/20-manual.yml
new file mode 100644
index 0000000..dc8d987
--- /dev/null
+++ b/examples/081/structural_files/firefox/20-manual.yml
@@ -0,0 +1,33 @@
+%YAML 1.2
+---
+version: 1.1
+
+manual:
+
+  use_for_https: true  # Also use this proxy for HTTPS
+
+  https_proxy:
+    description: HTTPS Proxy
+    type: proxy
+    hidden:
+      variable: _.use_for_https
+
+    address:
+      default:
+        variable: __.http_proxy.address
+
+    port:
+      default:
+        variable: __.http_proxy.port
+
+  socks_proxy:
+    description: SOCKS Proxy
+    type: proxy
+
+    version:
+      description: SOCKS host version used by proxy
+      choices:
+        - v4
+        - v5
+      default: v5
+...
diff --git a/examples/090/README.md b/examples/090/README.md
index 1266a43..c17fb19 100644
--- a/examples/090/README.md
+++ b/examples/090/README.md
@@ -1 +1 @@
-A conditional disabled variable with type domainname and parameters
+A conditional disabled variable with type web_address
diff --git a/examples/090/TITLE.md b/examples/090/TITLE.md
index a6d8a05..6d2ea5c 100644
--- a/examples/090/TITLE.md
+++ b/examples/090/TITLE.md
@@ -1 +1 @@
-A full documented variable with multiple values and not mandatory
+A web_address variable
diff --git a/examples/090/config/01/README.md b/examples/090/config/01/README.md
new file mode 100644
index 0000000..2e2d78a
--- /dev/null
+++ b/examples/090/config/01/README.md
@@ -0,0 +1 @@
+We cannot configure "auto" if "proxy_mode" is not "Automatic proxy configuration URL".
diff --git a/examples/090/config/01/config.yml b/examples/090/config/01/config.yml
index ed97d53..1edbe91 100644
--- a/examples/090/config/01/config.yml
+++ b/examples/090/config/01/config.yml
@@ -1 +1,2 @@
 ---
+auto: https://auto.proxy.net/wpad.dat
diff --git a/examples/090/config/02/config.yml b/examples/090/config/02/config.yml
index 54956ea..26df130 100644
--- a/examples/090/config/02/config.yml
+++ b/examples/090/config/02/config.yml
@@ -1,4 +1,2 @@
 ---
 proxy_mode: Automatic proxy configuration URL
-auto: https://auto.proxy.net/wpad.dat
-no_proxy: 192.168.1.0/24
diff --git a/examples/080/config/03/config.yml b/examples/090/config/03/config.yml
similarity index 100%
rename from examples/080/config/03/config.yml
rename to examples/090/config/03/config.yml
diff --git a/examples/090/firefox.png b/examples/090/firefox.png
index 16f5931..d53e513 100644
Binary files a/examples/090/firefox.png and b/examples/090/firefox.png differ
diff --git a/examples/090/firefox.xcf b/examples/090/firefox.xcf
index 5cc54d7..ca1cf9b 100644
Binary files a/examples/090/firefox.xcf and b/examples/090/firefox.xcf differ
diff --git a/examples/080/structural_files/firefox/30-auto.yml b/examples/090/structural_files/firefox/30-auto.yml
similarity index 100%
rename from examples/080/structural_files/firefox/30-auto.yml
rename to examples/090/structural_files/firefox/30-auto.yml
diff --git a/examples/091/README.md b/examples/091/README.md
deleted file mode 100644
index 130d225..0000000
--- a/examples/091/README.md
+++ /dev/null
@@ -1 +0,0 @@
-A variable with multiple value
diff --git a/examples/091/config/02/config.yml b/examples/091/config/02/config.yml
deleted file mode 100644
index ccba4c0..0000000
--- a/examples/091/config/02/config.yml
+++ /dev/null
@@ -1,6 +0,0 @@
----
-proxy_mode: Automatic proxy configuration URL
-auto: https://auto.proxy.net/wpad.dat
-no_proxy:
-  - example.net
-  - 192.168.1.0/24
diff --git a/examples/092/README.md b/examples/092/README.md
deleted file mode 100644
index d83ef1b..0000000
--- a/examples/092/README.md
+++ /dev/null
@@ -1 +0,0 @@
-A non mandatory variable
diff --git a/examples/092/config/02/config.yml b/examples/092/config/02/config.yml
deleted file mode 100644
index ccba4c0..0000000
--- a/examples/092/config/02/config.yml
+++ /dev/null
@@ -1,6 +0,0 @@
----
-proxy_mode: Automatic proxy configuration URL
-auto: https://auto.proxy.net/wpad.dat
-no_proxy:
-  - example.net
-  - 192.168.1.0/24
diff --git a/examples/093/README.md b/examples/093/README.md
deleted file mode 100644
index ad6b7fb..0000000
--- a/examples/093/README.md
+++ /dev/null
@@ -1 +0,0 @@
-Examples
diff --git a/examples/093/config/02/config.yml b/examples/093/config/02/config.yml
deleted file mode 100644
index ccba4c0..0000000
--- a/examples/093/config/02/config.yml
+++ /dev/null
@@ -1,6 +0,0 @@
----
-proxy_mode: Automatic proxy configuration URL
-auto: https://auto.proxy.net/wpad.dat
-no_proxy:
-  - example.net
-  - 192.168.1.0/24
diff --git a/examples/094/config/02/config.yml b/examples/094/config/02/config.yml
deleted file mode 100644
index 307e175..0000000
--- a/examples/094/config/02/config.yml
+++ /dev/null
@@ -1,3 +0,0 @@
----
-proxy_mode: Automatic proxy configuration URL
-auto: https://auto.proxy.net/wpad.dat
diff --git a/examples/095/README.md b/examples/095/README.md
deleted file mode 100644
index 553d9c0..0000000
--- a/examples/095/README.md
+++ /dev/null
@@ -1 +0,0 @@
-A conditional disabled boolean variable
diff --git a/examples/095/TITLE.md b/examples/095/TITLE.md
deleted file mode 100644
index f8bc264..0000000
--- a/examples/095/TITLE.md
+++ /dev/null
@@ -1 +0,0 @@
-Various variables
diff --git a/examples/097/README.md b/examples/097/README.md
deleted file mode 100644
index 4d33c92..0000000
--- a/examples/097/README.md
+++ /dev/null
@@ -1 +0,0 @@
-A Jinja conditional disabled boolean variable
diff --git a/examples/097/structural_files/firefox/55-proxy_dns_socks5.yml b/examples/097/structural_files/firefox/55-proxy_dns_socks5.yml
deleted file mode 100644
index 052f0d1..0000000
--- a/examples/097/structural_files/firefox/55-proxy_dns_socks5.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-%YAML 1.2
----
-version: 1.1
-
-proxy_dns_socks5:
-  description: Use proxy DNS when using SOCKS v5
-  default: false
-  disabled:
-    jinja: |-
-      {% if _.manual.socks_proxy.version is propertyerror %}
-        the proxy mode is not manual
-      {% elif _.manual.socks_proxy.version == 'v4' %}
-        socks version is v4
-      {% endif %}
-    description: |-
-      if "firefox.proxy_mode" is not "Manual proxy configuration"
-      or "firefox.manual.socks_proxy.version" is "v4"
-...
diff --git a/examples/098/structural_files/firefox/55-proxy_dns_socks5.yml b/examples/098/structural_files/firefox/55-proxy_dns_socks5.yml
deleted file mode 100644
index 0f1a65f..0000000
--- a/examples/098/structural_files/firefox/55-proxy_dns_socks5.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-%YAML 1.2
----
-version: 1.1
-
-proxy_dns_socks5:
-  description: Use proxy DNS when using SOCKS v5
-  mode: advanced
-  default: false
-  disabled:
-    jinja: |-
-      {% if _.manual.socks_proxy.version is propertyerror %}
-        the proxy mode is not manual
-      {% elif _.manual.socks_proxy.version == 'v4' %}
-        socks version is v4
-      {% endif %}
-    description: |-
-      if "firefox.proxy_mode" is not "Manual proxy configuration"
-      or "firefox.manual.socks_proxy.version" is "v4"
-...
diff --git a/examples/100/README.md b/examples/100/README.md
index 4207bc8..1266a43 100644
--- a/examples/100/README.md
+++ b/examples/100/README.md
@@ -1 +1 @@
-A boolean variable
+A conditional disabled variable with type domainname and parameters
diff --git a/examples/100/TITLE.md b/examples/100/TITLE.md
index f8bc264..a6d8a05 100644
--- a/examples/100/TITLE.md
+++ b/examples/100/TITLE.md
@@ -1 +1 @@
-Various variables
+A full documented variable with multiple values and not mandatory
diff --git a/examples/093/config/03/config.yml b/examples/100/config/02/config.yml
similarity index 77%
rename from examples/093/config/03/config.yml
rename to examples/100/config/02/config.yml
index 307e175..54956ea 100644
--- a/examples/093/config/03/config.yml
+++ b/examples/100/config/02/config.yml
@@ -1,3 +1,4 @@
 ---
 proxy_mode: Automatic proxy configuration URL
 auto: https://auto.proxy.net/wpad.dat
+no_proxy: 192.168.1.0/24
diff --git a/examples/100/firefox.png b/examples/100/firefox.png
index d368003..16f5931 100644
Binary files a/examples/100/firefox.png and b/examples/100/firefox.png differ
diff --git a/examples/100/firefox.xcf b/examples/100/firefox.xcf
index c362607..5cc54d7 100644
Binary files a/examples/100/firefox.xcf and b/examples/100/firefox.xcf differ
diff --git a/examples/090/structural_files/firefox/40-no_proxy.yml b/examples/100/structural_files/firefox/40-no_proxy.yml
similarity index 100%
rename from examples/090/structural_files/firefox/40-no_proxy.yml
rename to examples/100/structural_files/firefox/40-no_proxy.yml
diff --git a/examples/101/README.md b/examples/101/README.md
index 9215d09..130d225 100644
--- a/examples/101/README.md
+++ b/examples/101/README.md
@@ -1 +1 @@
-A choice variable
+A variable with multiple value
diff --git a/examples/101/config/02/config.yml b/examples/101/config/02/config.yml
index aee4796..ccba4c0 100644
--- a/examples/101/config/02/config.yml
+++ b/examples/101/config/02/config.yml
@@ -1,3 +1,6 @@
 ---
-dns_over_https:
-  enable_dns_over_https: true
+proxy_mode: Automatic proxy configuration URL
+auto: https://auto.proxy.net/wpad.dat
+no_proxy:
+  - example.net
+  - 192.168.1.0/24
diff --git a/examples/091/config/03/config.yml b/examples/101/config/03/config.yml
similarity index 100%
rename from examples/091/config/03/config.yml
rename to examples/101/config/03/config.yml
diff --git a/examples/091/structural_files/firefox/40-no_proxy.yml b/examples/101/structural_files/firefox/40-no_proxy.yml
similarity index 100%
rename from examples/091/structural_files/firefox/40-no_proxy.yml
rename to examples/101/structural_files/firefox/40-no_proxy.yml
diff --git a/examples/102/README.md b/examples/102/README.md
index 972da98..d83ef1b 100644
--- a/examples/102/README.md
+++ b/examples/102/README.md
@@ -1 +1 @@
-A web_address variable 
+A non mandatory variable
diff --git a/examples/102/config/02/config.yml b/examples/102/config/02/config.yml
index aee4796..ccba4c0 100644
--- a/examples/102/config/02/config.yml
+++ b/examples/102/config/02/config.yml
@@ -1,3 +1,6 @@
 ---
-dns_over_https:
-  enable_dns_over_https: true
+proxy_mode: Automatic proxy configuration URL
+auto: https://auto.proxy.net/wpad.dat
+no_proxy:
+  - example.net
+  - 192.168.1.0/24
diff --git a/examples/102/config/03/config.yml b/examples/102/config/03/config.yml
index 2497fc1..307e175 100644
--- a/examples/102/config/03/config.yml
+++ b/examples/102/config/03/config.yml
@@ -1,5 +1,3 @@
 ---
-dns_over_https:
-  enable_dns_over_https: true
-  provider: Custom
-  custom_dns_url: http://dns.net
+proxy_mode: Automatic proxy configuration URL
+auto: https://auto.proxy.net/wpad.dat
diff --git a/examples/092/structural_files/firefox/40-no_proxy.yml b/examples/102/structural_files/firefox/40-no_proxy.yml
similarity index 100%
rename from examples/092/structural_files/firefox/40-no_proxy.yml
rename to examples/102/structural_files/firefox/40-no_proxy.yml
diff --git a/examples/103/README.md b/examples/103/README.md
index c11c818..ad6b7fb 100644
--- a/examples/103/README.md
+++ b/examples/103/README.md
@@ -1 +1 @@
-A variable with custom validation
+Examples
diff --git a/examples/103/config/02/config.yml b/examples/103/config/02/config.yml
index aee4796..ccba4c0 100644
--- a/examples/103/config/02/config.yml
+++ b/examples/103/config/02/config.yml
@@ -1,3 +1,6 @@
 ---
-dns_over_https:
-  enable_dns_over_https: true
+proxy_mode: Automatic proxy configuration URL
+auto: https://auto.proxy.net/wpad.dat
+no_proxy:
+  - example.net
+  - 192.168.1.0/24
diff --git a/examples/103/config/03/config.yml b/examples/103/config/03/config.yml
index 2497fc1..307e175 100644
--- a/examples/103/config/03/config.yml
+++ b/examples/103/config/03/config.yml
@@ -1,5 +1,3 @@
 ---
-dns_over_https:
-  enable_dns_over_https: true
-  provider: Custom
-  custom_dns_url: http://dns.net
+proxy_mode: Automatic proxy configuration URL
+auto: https://auto.proxy.net/wpad.dat
diff --git a/examples/093/structural_files/firefox/40-no_proxy.yml b/examples/103/structural_files/firefox/40-no_proxy.yml
similarity index 100%
rename from examples/093/structural_files/firefox/40-no_proxy.yml
rename to examples/103/structural_files/firefox/40-no_proxy.yml
diff --git a/examples/094/README.md b/examples/104/README.md
similarity index 100%
rename from examples/094/README.md
rename to examples/104/README.md
diff --git a/examples/091/config/01/config.yml b/examples/104/config/01/config.yml
similarity index 100%
rename from examples/091/config/01/config.yml
rename to examples/104/config/01/config.yml
diff --git a/examples/092/config/03/config.yml b/examples/104/config/02/config.yml
similarity index 100%
rename from examples/092/config/03/config.yml
rename to examples/104/config/02/config.yml
diff --git a/examples/094/config/03/config.yml b/examples/104/config/03/config.yml
similarity index 100%
rename from examples/094/config/03/config.yml
rename to examples/104/config/03/config.yml
diff --git a/examples/094/structural_files/firefox/40-no_proxy.yml b/examples/104/structural_files/firefox/40-no_proxy.yml
similarity index 100%
rename from examples/094/structural_files/firefox/40-no_proxy.yml
rename to examples/104/structural_files/firefox/40-no_proxy.yml
diff --git a/examples/110/README.md b/examples/110/README.md
index 86ff802..553d9c0 100644
--- a/examples/110/README.md
+++ b/examples/110/README.md
@@ -1 +1 @@
-Namespace
+A conditional disabled boolean variable
diff --git a/examples/110/TITLE.md b/examples/110/TITLE.md
index 86ff802..247c9bc 100644
--- a/examples/110/TITLE.md
+++ b/examples/110/TITLE.md
@@ -1 +1 @@
-Namespace
+Practice
diff --git a/examples/092/config/01/config.yml b/examples/110/config/01/config.yml
similarity index 100%
rename from examples/092/config/01/config.yml
rename to examples/110/config/01/config.yml
diff --git a/examples/095/config/02/config.yml b/examples/110/config/02/config.yml
similarity index 100%
rename from examples/095/config/02/config.yml
rename to examples/110/config/02/config.yml
diff --git a/examples/095/config/03/config.yml b/examples/110/config/03/config.yml
similarity index 100%
rename from examples/095/config/03/config.yml
rename to examples/110/config/03/config.yml
diff --git a/examples/095/config/04/config.yml b/examples/110/config/04/config.yml
similarity index 100%
rename from examples/095/config/04/config.yml
rename to examples/110/config/04/config.yml
diff --git a/examples/095/firefox.png b/examples/110/firefox.png
similarity index 100%
rename from examples/095/firefox.png
rename to examples/110/firefox.png
diff --git a/examples/095/firefox.xcf b/examples/110/firefox.xcf
similarity index 100%
rename from examples/095/firefox.xcf
rename to examples/110/firefox.xcf
diff --git a/examples/095/structural_files/firefox/50-prompt_authentication.yml b/examples/110/structural_files/firefox/50-prompt_authentication.yml
similarity index 100%
rename from examples/095/structural_files/firefox/50-prompt_authentication.yml
rename to examples/110/structural_files/firefox/50-prompt_authentication.yml
diff --git a/examples/110/structural_files/firefox/empty.yml b/examples/110/structural_files/firefox/empty.yml
deleted file mode 100644
index 94a82bd..0000000
--- a/examples/110/structural_files/firefox/empty.yml
+++ /dev/null
@@ -1,4 +0,0 @@
-%YAML 1.2
----
-version: 1.1
-...
diff --git a/examples/111/100/README.md b/examples/111/100/README.md
deleted file mode 100644
index d6459e0..0000000
--- a/examples/111/100/README.md
+++ /dev/null
@@ -1 +0,0 @@
-xxx
diff --git a/examples/111/README.md b/examples/111/README.md
index d6459e0..4207bc8 100644
--- a/examples/111/README.md
+++ b/examples/111/README.md
@@ -1 +1 @@
-xxx
+A boolean variable
diff --git a/examples/096/config/02/config.yml b/examples/111/config/02/config.yml
similarity index 100%
rename from examples/096/config/02/config.yml
rename to examples/111/config/02/config.yml
diff --git a/examples/096/config/03/config.yml b/examples/111/config/03/config.yml
similarity index 100%
rename from examples/096/config/03/config.yml
rename to examples/111/config/03/config.yml
diff --git a/examples/096/config/04/config.yml b/examples/111/config/04/config.yml
similarity index 100%
rename from examples/096/config/04/config.yml
rename to examples/111/config/04/config.yml
diff --git a/examples/096/structural_files/firefox/55-proxy_dns_socks5.yml b/examples/111/structural_files/firefox/55-proxy_dns_socks5.yml
similarity index 100%
rename from examples/096/structural_files/firefox/55-proxy_dns_socks5.yml
rename to examples/111/structural_files/firefox/55-proxy_dns_socks5.yml
diff --git a/examples/112/README.md b/examples/112/README.md
index d6459e0..4d33c92 100644
--- a/examples/112/README.md
+++ b/examples/112/README.md
@@ -1 +1 @@
-xxx
+A Jinja conditional disabled boolean variable
diff --git a/examples/097/config/02/config.yml b/examples/112/config/02/config.yml
similarity index 100%
rename from examples/097/config/02/config.yml
rename to examples/112/config/02/config.yml
diff --git a/examples/097/config/03/config.yml b/examples/112/config/03/config.yml
similarity index 100%
rename from examples/097/config/03/config.yml
rename to examples/112/config/03/config.yml
diff --git a/examples/097/config/04/config.yml b/examples/112/config/04/config.yml
similarity index 100%
rename from examples/097/config/04/config.yml
rename to examples/112/config/04/config.yml
diff --git a/examples/112/structural_files/firefox/55-proxy_dns_socks5.yml b/examples/112/structural_files/firefox/55-proxy_dns_socks5.yml
new file mode 100644
index 0000000..55bddd3
--- /dev/null
+++ b/examples/112/structural_files/firefox/55-proxy_dns_socks5.yml
@@ -0,0 +1,15 @@
+%YAML 1.2
+---
+version: 1.1
+
+proxy_dns_socks5:
+  description: Use proxy DNS when using SOCKS v5
+  default: false
+  disabled:
+    jinja: |-
+      {{ _.proxy_mode != "Manual proxy configuration" or _.manual.socks_proxy.version == 'v4' }}
+    return_type: boolean
+    description: |-
+      if "_.proxy_mode" is not "Manual proxy configuration"
+      or "_.manual.socks_proxy.version" is "v4"
+...
diff --git a/examples/113/README.md b/examples/113/README.md
deleted file mode 100644
index d6459e0..0000000
--- a/examples/113/README.md
+++ /dev/null
@@ -1 +0,0 @@
-xxx
diff --git a/examples/114/README.md b/examples/114/README.md
deleted file mode 100644
index d6459e0..0000000
--- a/examples/114/README.md
+++ /dev/null
@@ -1 +0,0 @@
-xxx
diff --git a/examples/120/README.md b/examples/120/README.md
index d6459e0..57c52de 100644
--- a/examples/120/README.md
+++ b/examples/120/README.md
@@ -1 +1 @@
-xxx
+Disabled a variable when an other variable are disabled
diff --git a/examples/120/TITLE.md b/examples/120/TITLE.md
new file mode 100644
index 0000000..f7c81d7
--- /dev/null
+++ b/examples/120/TITLE.md
@@ -0,0 +1 @@
+The Jinja propertyerror filter
diff --git a/examples/093/config/01/config.yml b/examples/120/config/01/config.yml
similarity index 100%
rename from examples/093/config/01/config.yml
rename to examples/120/config/01/config.yml
diff --git a/examples/098/config/02/config.yml b/examples/120/config/02/config.yml
similarity index 100%
rename from examples/098/config/02/config.yml
rename to examples/120/config/02/config.yml
diff --git a/examples/098/config/03/config.yml b/examples/120/config/03/config.yml
similarity index 100%
rename from examples/098/config/03/config.yml
rename to examples/120/config/03/config.yml
diff --git a/examples/098/config/04/config.yml b/examples/120/config/04/config.yml
similarity index 100%
rename from examples/098/config/04/config.yml
rename to examples/120/config/04/config.yml
diff --git a/examples/120/structural_files/firefox/55-proxy_dns_socks5.yml b/examples/120/structural_files/firefox/55-proxy_dns_socks5.yml
new file mode 100644
index 0000000..2dbe9d1
--- /dev/null
+++ b/examples/120/structural_files/firefox/55-proxy_dns_socks5.yml
@@ -0,0 +1,15 @@
+%YAML 1.2
+---
+version: 1.1
+
+proxy_dns_socks5:
+  description: Use proxy DNS when using SOCKS v5
+  default: false
+  disabled:
+    jinja: |-
+      {{ _.manual.socks_proxy.version is propertyerror or _.manual.socks_proxy.version == 'v4' }}
+    return_type: boolean
+    description: |-
+      if "_.proxy_mode" is not "Manual proxy configuration"
+      or "_.manual.socks_proxy.version" is "v4"
+...
diff --git a/examples/098/README.md b/examples/130/README.md
similarity index 100%
rename from examples/098/README.md
rename to examples/130/README.md
diff --git a/examples/098/TITLE.md b/examples/130/TITLE.md
similarity index 100%
rename from examples/098/TITLE.md
rename to examples/130/TITLE.md
diff --git a/examples/094/config/01/config.yml b/examples/130/config/01/config.yml
similarity index 100%
rename from examples/094/config/01/config.yml
rename to examples/130/config/01/config.yml
diff --git a/examples/130/config/02/config.yml b/examples/130/config/02/config.yml
new file mode 100644
index 0000000..135d8b3
--- /dev/null
+++ b/examples/130/config/02/config.yml
@@ -0,0 +1,5 @@
+---
+proxy_mode: Manual proxy configuration
+manual:
+  http_proxy:
+    address: http.proxy.net
diff --git a/examples/130/config/03/config.yml b/examples/130/config/03/config.yml
new file mode 100644
index 0000000..d04e72c
--- /dev/null
+++ b/examples/130/config/03/config.yml
@@ -0,0 +1,6 @@
+---
+proxy_mode: Manual proxy configuration
+manual:
+  http_proxy:
+    address: http.proxy.net
+proxy_dns_socks5: true
diff --git a/examples/130/config/04/config.yml b/examples/130/config/04/config.yml
new file mode 100644
index 0000000..8ceca7b
--- /dev/null
+++ b/examples/130/config/04/config.yml
@@ -0,0 +1,7 @@
+---
+proxy_mode: Manual proxy configuration
+manual:
+  http_proxy:
+    address: http.proxy.net
+  socks_proxy:
+    version: v4
diff --git a/examples/098/config/mode b/examples/130/config/mode
similarity index 100%
rename from examples/098/config/mode
rename to examples/130/config/mode
diff --git a/examples/130/structural_files/firefox/55-proxy_dns_socks5.yml b/examples/130/structural_files/firefox/55-proxy_dns_socks5.yml
new file mode 100644
index 0000000..02d2823
--- /dev/null
+++ b/examples/130/structural_files/firefox/55-proxy_dns_socks5.yml
@@ -0,0 +1,16 @@
+%YAML 1.2
+---
+version: 1.1
+
+proxy_dns_socks5:
+  description: Use proxy DNS when using SOCKS v5
+  mode: advanced
+  default: false
+  disabled:
+    jinja: |-
+      {{ _.manual.socks_proxy.version is propertyerror or _.manual.socks_proxy.version == 'v4' }}
+    return_type: boolean
+    description: |-
+      if "_.proxy_mode" is not "Manual proxy configuration"
+      or "_.manual.socks_proxy.version" is "v4"
+...
diff --git a/examples/096/README.md b/examples/140/README.md
similarity index 100%
rename from examples/096/README.md
rename to examples/140/README.md
diff --git a/examples/140/TITLE.md b/examples/140/TITLE.md
new file mode 100644
index 0000000..247c9bc
--- /dev/null
+++ b/examples/140/TITLE.md
@@ -0,0 +1 @@
+Practice
diff --git a/examples/095/config/01/config.yml b/examples/140/config/01/config.yml
similarity index 100%
rename from examples/095/config/01/config.yml
rename to examples/140/config/01/config.yml
diff --git a/examples/140/firefox.png b/examples/140/firefox.png
new file mode 100644
index 0000000..d368003
Binary files /dev/null and b/examples/140/firefox.png differ
diff --git a/examples/140/firefox.xcf b/examples/140/firefox.xcf
new file mode 100644
index 0000000..c362607
Binary files /dev/null and b/examples/140/firefox.xcf differ
diff --git a/examples/100/structural_files/firefox/60-dns_over_https.yml b/examples/140/structural_files/firefox/60-dns_over_https.yml
similarity index 100%
rename from examples/100/structural_files/firefox/60-dns_over_https.yml
rename to examples/140/structural_files/firefox/60-dns_over_https.yml
diff --git a/examples/141/README.md b/examples/141/README.md
new file mode 100644
index 0000000..9215d09
--- /dev/null
+++ b/examples/141/README.md
@@ -0,0 +1 @@
+A choice variable
diff --git a/examples/096/config/01/config.yml b/examples/141/config/01/config.yml
similarity index 100%
rename from examples/096/config/01/config.yml
rename to examples/141/config/01/config.yml
diff --git a/examples/141/config/02/config.yml b/examples/141/config/02/config.yml
new file mode 100644
index 0000000..aee4796
--- /dev/null
+++ b/examples/141/config/02/config.yml
@@ -0,0 +1,3 @@
+---
+dns_over_https:
+  enable_dns_over_https: true
diff --git a/examples/101/structural_files/firefox/60-dns_over_https.yml b/examples/141/structural_files/firefox/60-dns_over_https.yml
similarity index 100%
rename from examples/101/structural_files/firefox/60-dns_over_https.yml
rename to examples/141/structural_files/firefox/60-dns_over_https.yml
diff --git a/examples/142/README.md b/examples/142/README.md
new file mode 100644
index 0000000..972da98
--- /dev/null
+++ b/examples/142/README.md
@@ -0,0 +1 @@
+A web_address variable 
diff --git a/examples/097/config/01/config.yml b/examples/142/config/01/config.yml
similarity index 100%
rename from examples/097/config/01/config.yml
rename to examples/142/config/01/config.yml
diff --git a/examples/142/config/02/config.yml b/examples/142/config/02/config.yml
new file mode 100644
index 0000000..aee4796
--- /dev/null
+++ b/examples/142/config/02/config.yml
@@ -0,0 +1,3 @@
+---
+dns_over_https:
+  enable_dns_over_https: true
diff --git a/examples/142/config/03/config.yml b/examples/142/config/03/config.yml
new file mode 100644
index 0000000..2497fc1
--- /dev/null
+++ b/examples/142/config/03/config.yml
@@ -0,0 +1,5 @@
+---
+dns_over_https:
+  enable_dns_over_https: true
+  provider: Custom
+  custom_dns_url: http://dns.net
diff --git a/examples/102/config/04/config.yml b/examples/142/config/04/config.yml
similarity index 100%
rename from examples/102/config/04/config.yml
rename to examples/142/config/04/config.yml
diff --git a/examples/102/structural_files/firefox/60-dns_over_https.yml b/examples/142/structural_files/firefox/60-dns_over_https.yml
similarity index 79%
rename from examples/102/structural_files/firefox/60-dns_over_https.yml
rename to examples/142/structural_files/firefox/60-dns_over_https.yml
index 6ce2c7e..309c653 100644
--- a/examples/102/structural_files/firefox/60-dns_over_https.yml
+++ b/examples/142/structural_files/firefox/60-dns_over_https.yml
@@ -22,8 +22,7 @@ dns_over_https:  # DNS over HTTPS
     type: web_address
     disabled:
       jinja: |-
-        {% if _.provider is propertyerror or _.provider != 'Custom' %}
-          provider is not custom
-        {% endif %}
+        {{ _.provider is propertyerror or _.provider != 'Custom' }}
+      return_type: boolean
       description: if "_.provider" is not "Custom"
 ...
diff --git a/examples/150/README.md b/examples/150/README.md
new file mode 100644
index 0000000..c11c818
--- /dev/null
+++ b/examples/150/README.md
@@ -0,0 +1 @@
+A variable with custom validation
diff --git a/examples/103/TITLE.md b/examples/150/TITLE.md
similarity index 100%
rename from examples/103/TITLE.md
rename to examples/150/TITLE.md
diff --git a/examples/098/config/01/config.yml b/examples/150/config/01/config.yml
similarity index 100%
rename from examples/098/config/01/config.yml
rename to examples/150/config/01/config.yml
diff --git a/examples/150/config/02/config.yml b/examples/150/config/02/config.yml
new file mode 100644
index 0000000..aee4796
--- /dev/null
+++ b/examples/150/config/02/config.yml
@@ -0,0 +1,3 @@
+---
+dns_over_https:
+  enable_dns_over_https: true
diff --git a/examples/150/config/03/config.yml b/examples/150/config/03/config.yml
new file mode 100644
index 0000000..2497fc1
--- /dev/null
+++ b/examples/150/config/03/config.yml
@@ -0,0 +1,5 @@
+---
+dns_over_https:
+  enable_dns_over_https: true
+  provider: Custom
+  custom_dns_url: http://dns.net
diff --git a/examples/103/config/04/config.yml b/examples/150/config/04/config.yml
similarity index 100%
rename from examples/103/config/04/config.yml
rename to examples/150/config/04/config.yml
diff --git a/examples/103/structural_files/firefox/60-dns_over_https.yml b/examples/150/structural_files/firefox/60-dns_over_https.yml
similarity index 70%
rename from examples/103/structural_files/firefox/60-dns_over_https.yml
rename to examples/150/structural_files/firefox/60-dns_over_https.yml
index 55b37cc..8bd721b 100644
--- a/examples/103/structural_files/firefox/60-dns_over_https.yml
+++ b/examples/150/structural_files/firefox/60-dns_over_https.yml
@@ -22,14 +22,12 @@ dns_over_https:  # DNS over HTTPS
     type: web_address
     validators:
       - jinja: |-
-          {% if _.custom_dns_url.startswith('http://') %}
-            only https is allowed
-          {% endif %}
+          {{ _.custom_dns_url.startswith('http://') }}
+        return_type: boolean
         description: must starts with 'https://' only
     disabled:
       jinja: |-
-        {% if _.provider is propertyerror or _.provider != 'Custom' %}
-          provider is not custom
-        {% endif %}
+        {{ _.provider is propertyerror or _.provider != 'Custom' }}
+      return_type: boolean
       description: if "_.provider" is not "Custom"
 ...
diff --git a/examples/160/README.md b/examples/160/README.md
new file mode 100644
index 0000000..86ff802
--- /dev/null
+++ b/examples/160/README.md
@@ -0,0 +1 @@
+Namespace
diff --git a/examples/160/TITLE.md b/examples/160/TITLE.md
new file mode 100644
index 0000000..86ff802
--- /dev/null
+++ b/examples/160/TITLE.md
@@ -0,0 +1 @@
+Namespace
diff --git a/examples/160/config/01/config.yml b/examples/160/config/01/config.yml
new file mode 100644
index 0000000..aee4796
--- /dev/null
+++ b/examples/160/config/01/config.yml
@@ -0,0 +1,3 @@
+---
+dns_over_https:
+  enable_dns_over_https: true
diff --git a/examples/110/namespace b/examples/160/namespace
similarity index 100%
rename from examples/110/namespace
rename to examples/160/namespace
diff --git a/examples/110/structural_files/firefox/empty b/examples/160/structural_files/firefox/empty
similarity index 100%
rename from examples/110/structural_files/firefox/empty
rename to examples/160/structural_files/firefox/empty
diff --git a/examples/161/README.md b/examples/161/README.md
new file mode 100644
index 0000000..7322403
--- /dev/null
+++ b/examples/161/README.md
@@ -0,0 +1 @@
+New "FoxyProxy" namespace
diff --git a/examples/111/100/config/01/config.yml b/examples/161/config/01/config.yml
similarity index 100%
rename from examples/111/100/config/01/config.yml
rename to examples/161/config/01/config.yml
diff --git a/examples/111/100/config/02/config.yml b/examples/161/config/02/config.yml
similarity index 100%
rename from examples/111/100/config/02/config.yml
rename to examples/161/config/02/config.yml
diff --git a/examples/111/100/config/03/config.yml b/examples/161/config/03/config.yml
similarity index 100%
rename from examples/111/100/config/03/config.yml
rename to examples/161/config/03/config.yml
diff --git a/examples/111/100/structural_files/foxyproxy/00-foxyproxy.yml b/examples/161/structural_files/foxyproxy/00-foxyproxy.yml
similarity index 100%
rename from examples/111/100/structural_files/foxyproxy/00-foxyproxy.yml
rename to examples/161/structural_files/foxyproxy/00-foxyproxy.yml
diff --git a/examples/170/README.md b/examples/170/README.md
new file mode 100644
index 0000000..d7f3a5f
--- /dev/null
+++ b/examples/170/README.md
@@ -0,0 +1 @@
+A leadership family
diff --git a/examples/170/TITLE.md b/examples/170/TITLE.md
new file mode 100644
index 0000000..d7f3a5f
--- /dev/null
+++ b/examples/170/TITLE.md
@@ -0,0 +1 @@
+A leadership family
diff --git a/examples/113/config/01/config.yml b/examples/170/config/01/config.yml
similarity index 100%
rename from examples/113/config/01/config.yml
rename to examples/170/config/01/config.yml
diff --git a/examples/170/foxyproxy.png b/examples/170/foxyproxy.png
new file mode 100644
index 0000000..418dad0
Binary files /dev/null and b/examples/170/foxyproxy.png differ
diff --git a/examples/111/structural_files/foxyproxy/00-foxyproxy.yml b/examples/170/structural_files/foxyproxy/00-foxyproxy.yml
similarity index 100%
rename from examples/111/structural_files/foxyproxy/00-foxyproxy.yml
rename to examples/170/structural_files/foxyproxy/00-foxyproxy.yml
diff --git a/examples/180/README.md b/examples/180/README.md
new file mode 100644
index 0000000..45af1a8
--- /dev/null
+++ b/examples/180/README.md
@@ -0,0 +1 @@
+Regexp type
diff --git a/examples/180/TITLE.md b/examples/180/TITLE.md
new file mode 100644
index 0000000..a066682
--- /dev/null
+++ b/examples/180/TITLE.md
@@ -0,0 +1 @@
+Regexp type with calculation
diff --git a/examples/114/config/01/config.yml b/examples/180/config/01/config.yml
similarity index 100%
rename from examples/114/config/01/config.yml
rename to examples/180/config/01/config.yml
diff --git a/examples/180/structural_files/foxyproxy/00-foxyproxy.yml b/examples/180/structural_files/foxyproxy/00-foxyproxy.yml
new file mode 100644
index 0000000..524ba23
--- /dev/null
+++ b/examples/180/structural_files/foxyproxy/00-foxyproxy.yml
@@ -0,0 +1,16 @@
+%YAML 1.2
+---
+version: 1.1
+
+proxies:
+  description: Proxy configuration
+  type: leadership
+
+  title:
+    description: Title or Description
+    mandatory: false
+
+  color:
+    description: Color
+    regexp: ^#(?:[0-9a-f]{3}){1,2}$
+...
diff --git a/examples/181/README.md b/examples/181/README.md
new file mode 100644
index 0000000..269bc71
--- /dev/null
+++ b/examples/181/README.md
@@ -0,0 +1 @@
+Calculate a random color
diff --git a/examples/181/config/01/config.yml b/examples/181/config/01/config.yml
new file mode 100644
index 0000000..ed97d53
--- /dev/null
+++ b/examples/181/config/01/config.yml
@@ -0,0 +1 @@
+---
diff --git a/examples/181/structural_files/foxyproxy/00-foxyproxy.yml b/examples/181/structural_files/foxyproxy/00-foxyproxy.yml
new file mode 100644
index 0000000..7096432
--- /dev/null
+++ b/examples/181/structural_files/foxyproxy/00-foxyproxy.yml
@@ -0,0 +1,23 @@
+%YAML 1.2
+---
+version: 1.1
+
+proxies:
+  description: Proxy configuration
+  type: leadership
+
+  title:
+    description: Title or Description
+    mandatory: false
+
+  color:
+    description: Color
+    regexp: ^#(?:[0-9a-f]{3}){1,2}$
+    default:
+      jinja: >-
+        #
+        {%- for i in range(6) -%}
+          {{- '0123456789abcdef' | random -}}
+        {%- endfor -%}
+      description: random color value
+...
diff --git a/examples/182/README.md b/examples/182/README.md
new file mode 100644
index 0000000..62f215e
--- /dev/null
+++ b/examples/182/README.md
@@ -0,0 +1 @@
+Auto save value
diff --git a/examples/182/config/01/config.yml b/examples/182/config/01/config.yml
new file mode 100644
index 0000000..ed97d53
--- /dev/null
+++ b/examples/182/config/01/config.yml
@@ -0,0 +1 @@
+---
diff --git a/examples/112/structural_files/foxyproxy/00-foxyproxy.yml b/examples/182/structural_files/foxyproxy/00-foxyproxy.yml
similarity index 99%
rename from examples/112/structural_files/foxyproxy/00-foxyproxy.yml
rename to examples/182/structural_files/foxyproxy/00-foxyproxy.yml
index 9a292c7..750df1d 100644
--- a/examples/112/structural_files/foxyproxy/00-foxyproxy.yml
+++ b/examples/182/structural_files/foxyproxy/00-foxyproxy.yml
@@ -16,7 +16,6 @@ proxies:
     default:
       jinja: >-
         #
-
         {%- for i in range(6) -%}
           {{- '0123456789abcdef' | random -}}
         {%- endfor -%}
diff --git a/examples/190/README.md b/examples/190/README.md
new file mode 100644
index 0000000..06207a2
--- /dev/null
+++ b/examples/190/README.md
@@ -0,0 +1 @@
+A variable name that conflict with a known the variable's attribute "type"
diff --git a/examples/190/TITLE.md b/examples/190/TITLE.md
new file mode 100644
index 0000000..66acfab
--- /dev/null
+++ b/examples/190/TITLE.md
@@ -0,0 +1 @@
+A variable name with a known variable's attribute
diff --git a/examples/190/config/01/config.yml b/examples/190/config/01/config.yml
new file mode 100644
index 0000000..ed97d53
--- /dev/null
+++ b/examples/190/config/01/config.yml
@@ -0,0 +1 @@
+---
diff --git a/examples/113/structural_files/foxyproxy/00-foxyproxy.yml b/examples/190/structural_files/foxyproxy/00-foxyproxy.yml
similarity index 99%
rename from examples/113/structural_files/foxyproxy/00-foxyproxy.yml
rename to examples/190/structural_files/foxyproxy/00-foxyproxy.yml
index 97123de..f23f468 100644
--- a/examples/113/structural_files/foxyproxy/00-foxyproxy.yml
+++ b/examples/190/structural_files/foxyproxy/00-foxyproxy.yml
@@ -29,7 +29,6 @@ proxies:
     default:
       jinja: >-
         #
-
         {%- for i in range(6) -%}
           {{- '0123456789abcdef' | random -}}
         {%- endfor -%}
diff --git a/examples/200/README.md b/examples/200/README.md
new file mode 100644
index 0000000..029f71d
--- /dev/null
+++ b/examples/200/README.md
@@ -0,0 +1 @@
+Variable calculation with propertyerror
diff --git a/examples/200/TITLE.md b/examples/200/TITLE.md
new file mode 100644
index 0000000..029f71d
--- /dev/null
+++ b/examples/200/TITLE.md
@@ -0,0 +1 @@
+Variable calculation with propertyerror
diff --git a/examples/200/config/01/config.yml b/examples/200/config/01/config.yml
new file mode 100644
index 0000000..ed97d53
--- /dev/null
+++ b/examples/200/config/01/config.yml
@@ -0,0 +1 @@
+---
diff --git a/examples/200/structural_files/foxyproxy/00-foxyproxy.yml b/examples/200/structural_files/foxyproxy/00-foxyproxy.yml
new file mode 100644
index 0000000..d2cbbf8
--- /dev/null
+++ b/examples/200/structural_files/foxyproxy/00-foxyproxy.yml
@@ -0,0 +1,92 @@
+%YAML 1.2
+---
+version: 1.1
+
+proxies:
+  description: Proxy configuration
+  _type: leadership
+
+  title:
+    description: Title or Description
+    mandatory: false
+
+  type:
+    description: Proxy Type
+    choices:
+      - HTTP
+      - HTTPS/SSL
+      - SOCKS4
+      - SOCKS5
+      - PAC URL
+      - WPAD
+      - System (use system settings)
+      - Direct (no proxy)
+    default: Direct (no proxy)
+
+  color:
+    description: Color
+    regexp: ^#(?:[0-9a-f]{3}){1,2}$
+    default:
+      jinja: >-
+        #
+        {%- for i in range(6) -%}
+          {{- '0123456789abcdef' | random -}}
+        {%- endfor -%}
+      description: random color value
+    auto_save: true
+
+  address:
+    description: IP address, DNS name, server name
+    type: domainname
+    params:
+      allow_ip: true
+      allow_without_dot: true
+    default:
+      variable: firefox.manual.http_proxy.address
+      propertyerror: false
+      description: copy HTTP address if proxy is not "Manual"
+    disabled:
+      jinja: |-
+        {{ _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] }}
+      return_type: boolean
+      description: |-
+        if type not in:
+        - HTTP
+        - HTTPS/SSL
+        - SOCKS4
+        - SOCKS5
+
+  port:
+    description: Port
+    type: port
+    default:
+      variable: firefox.manual.http_proxy.port
+      propertyerror: false
+      description: copy HTTP port if proxy is not "Manual"
+    disabled:
+      jinja: |-
+        {{ _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] }}
+      return_type: boolean
+      description: |-
+        if type not in:
+        - HTTP
+        - HTTPS/SSL
+        - SOCKS4
+        - SOCKS5
+
+  url:
+    description: URL
+    type: web_address
+    default:
+      variable: firefox.auto
+      propertyerror: false
+      description: copy HTTP address if proxy is "Auto"
+    disabled:
+      jinja: |-
+        {{ _.type not in ['PAC URL', 'WPAD'] }}
+      return_type: boolean
+      description: |-
+        if type is not in:
+        - PAC URL
+        - WPAD
+...
diff --git a/examples/210/README.md b/examples/210/README.md
new file mode 100644
index 0000000..42210e6
--- /dev/null
+++ b/examples/210/README.md
@@ -0,0 +1 @@
+Username is mandatory if a password is set
diff --git a/examples/210/TITLE.md b/examples/210/TITLE.md
new file mode 100644
index 0000000..57e8348
--- /dev/null
+++ b/examples/210/TITLE.md
@@ -0,0 +1 @@
+Redefine variable
diff --git a/examples/210/config/01/config.yml b/examples/210/config/01/config.yml
new file mode 100644
index 0000000..ed97d53
--- /dev/null
+++ b/examples/210/config/01/config.yml
@@ -0,0 +1 @@
+---
diff --git a/examples/114/structural_files/foxyproxy/00-foxyproxy.yml b/examples/210/structural_files/foxyproxy/00-foxyproxy.yml
similarity index 64%
rename from examples/114/structural_files/foxyproxy/00-foxyproxy.yml
rename to examples/210/structural_files/foxyproxy/00-foxyproxy.yml
index d8cfaaa..3907e80 100644
--- a/examples/114/structural_files/foxyproxy/00-foxyproxy.yml
+++ b/examples/210/structural_files/foxyproxy/00-foxyproxy.yml
@@ -29,7 +29,6 @@ proxies:
     default:
       jinja: >-
         #
-
         {%- for i in range(6) -%}
           {{- '0123456789abcdef' | random -}}
         {%- endfor -%}
@@ -43,16 +42,13 @@ proxies:
       allow_ip: true
       allow_without_dot: true
     default:
-      jinja: >-
-        {% if firefox.manual.http_proxy.address is not propertyerror %}
-          {{ firefox.manual.http_proxy.address }}
-        {% endif %}
+      variable: firefox.manual.http_proxy.address
+      propertyerror: false
       description: copy HTTP address if proxy is not "Manual"
     disabled:
       jinja: |-
-        {% if _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] %}
-          disabled
-        {% endif %}
+        {{ _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] }}
+      return_type: boolean
       description: |-
         if type not in:
         - HTTP
@@ -64,16 +60,13 @@ proxies:
     description: Port
     type: port
     default:
-      jinja: >-
-        {% if firefox.manual.http_proxy.port is not propertyerror %}
-          {{ firefox.manual.http_proxy.port }}
-        {% endif %}
+      variable: firefox.manual.http_proxy.port
+      propertyerror: false
       description: copy HTTP port if proxy is not "Manual"
     disabled:
       jinja: |-
-        {% if _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] %}
-          disabled
-        {% endif %}
+        {{ _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] }}
+      return_type: boolean
       description: |-
         if type not in:
         - HTTP
@@ -86,15 +79,13 @@ proxies:
     type: unix_user
     mandatory:
       jinja: |-
-        {% if _.password is not propertyerror and _.password %}
-          username is mandatory
-        {% endif %}
+        {{ _.password is not propertyerror and _.password }}
       description: if a password is set
+      return_type: boolean
     disabled:
       jinja: |-
-        {% if _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] %}
-          disabled
-        {% endif %}
+        {{ _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] }}
+      return_type: boolean
       description: |-
         if type not in:
         - HTTP
@@ -108,9 +99,8 @@ proxies:
     mandatory: false
     disabled:
       jinja: |-
-        {% if _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] %}
-          disabled
-        {% endif %}
+        {{ _.type not in ['HTTP', 'HTTPS/SSL', 'SOCKS4', 'SOCKS5'] }}
+      return_type: boolean
       description: |-
         if type not in:
         - HTTP
@@ -122,16 +112,13 @@ proxies:
     description: URL
     type: web_address
     default:
-      jinja: >-
-        {% if firefox.auto is not propertyerror %}
-          {{ firefox.auto }}
-        {% endif %}
+      variable: firefox.auto
+      propertyerror: false
       description: copy HTTP address if proxy is "Auto"
     disabled:
       jinja: |-
-        {% if _.type not in ['PAC URL', 'WPAD'] %}
-          proxy does not need url
-        {% endif %}
+        {{ _.type not in ['PAC URL', 'WPAD'] }}
+      return_type: boolean
       description: |-
         if type is not in:
         - PAC URL
diff --git a/examples/211/README.md b/examples/211/README.md
new file mode 100644
index 0000000..9037b97
--- /dev/null
+++ b/examples/211/README.md
@@ -0,0 +1 @@
+redefines the behavior to password mandatory if the user is defined
diff --git a/examples/120/structural_files/foxyproxy/10-redefine.yml b/examples/211/structural_files/foxyproxy/10-redefine.yml
similarity index 54%
rename from examples/120/structural_files/foxyproxy/10-redefine.yml
rename to examples/211/structural_files/foxyproxy/10-redefine.yml
index aef4325..bc50e80 100644
--- a/examples/120/structural_files/foxyproxy/10-redefine.yml
+++ b/examples/211/structural_files/foxyproxy/10-redefine.yml
@@ -12,8 +12,7 @@ proxies:
     redefine: true
     hidden:
       jinja: |-
-        {% if not _.username %}
-          no username defined
-        {% endif %}
-      description: if username is not defined
+        {{ not _.username }}
+      return_type: boolean
+      description: if username is empty
 ...