# Generate documentation > **🛈 Informations** > > **doc**\ > `basic` *`disabled`*\ > **Disabled**: when "[Generate documentation](#doc)" is not set in "[Select for output](#step.output)" | Variable                                                                                                                                                                            | Description                                                                                                                                                                         | |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | **doc.title_level**
[`integer`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory`
**Command line**: --doc.title_level, -dt
**Environment variable**: ROUGAILCLI_DOC.TITLE_LEVEL | Starting title level.
**Default**: 1 | | **doc.contents**
[`choice`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` `unique` `multiple`
**Command line**: --doc.contents
**Environment variable**: ROUGAILCLI_DOC.CONTENTS | Generated content.
**Choices**:
• variables **← (default)**
• example
• changelog | | **doc.previous_json_file**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `basic` `mandatory` *`disabled`*
**Command line**: --doc.previous_json_file
**Environment variable**: ROUGAILCLI_DOC.PREVIOUS_JSON_FILE | Previous description file in JSON format.
**Disabled**: changelog is not selected in "[Generated content](#doc.contents)" | | **doc.without_family**
[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` *`disabled`*
**Command line**:
• --doc.without_family
• --doc.no-without_family
**Environment variable**: ROUGAILCLI_DOC.WITHOUT_FAMILY | Do not add families in documentation.
**Default**: false
**Disabled**: variables is not selected in "[Generated content](#doc.contents)" | | **doc.root**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard`
**Command line**: --doc.root
**Environment variable**: ROUGAILCLI_DOC.ROOT | Document the variables from this family. | | **doc.with_commandline**
[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` *`disabled`*
**Command line**:
• --doc.with_commandline
• --doc.no-with_commandline
**Environment variable**: ROUGAILCLI_DOC.WITH_COMMANDLINE | Add command line informations in documentation.
**Default**: false
**Disabled**: if "[Generate document in format](#doc.output_format)" is json or variables is not selected in "[Generated content](#doc.contents)" | | **doc.with_environment**
[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` *`disabled`*
**Command line**:
• --doc.with_environment
• --doc.no-with_environment
**Environment variable**: ROUGAILCLI_DOC.WITH_ENVIRONMENT | Add environment variable informations in documentation.
**Default**: false
**Disabled**: if "[Generate document in format](#doc.output_format)" is json or variables is not selected in "[Generated content](#doc.contents)" | | **doc.environment_default_environment_name**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` *`disabled`*
**Command line**: --doc.environment_default_environment_name
**Environment variable**: ROUGAILCLI_DOC.ENVIRONMENT_DEFAULT_ENVIRONMENT_NAME | Name of the default environment prefix.
**Validator**: should only user uppercase characters
**Default**: ROUGAIL
**Disabled**: when "__.main_namespace" is not set or "[Add environment variable informations in documentation](#doc.with_environment)" is false | # Families or variables for this family are in an other file name > **🛈 Informations** > > **doc.other_root_filenames**\ > This family contains lists of variable blocks.\ > `basic` *`disabled`*\ > **Disabled**: documentation must be splitted | Variable                                                                                                                                                                            | Description                                                                                                                                                                         | |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | **doc.other_root_filenames.root_path**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `unique` `multiple`
**Command line**: --doc.other_root_filenames.root_path
**Environment variable**: ROUGAILCLI_DOC.OTHER_ROOT_FILENAMES.ROOT_PATH | Root family name. | | **doc.other_root_filenames.filename**
[`unix_filename`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `basic` `mandatory`
**Command line**: --doc.other_root_filenames.filename
**Environment variable**: ROUGAILCLI_DOC.OTHER_ROOT_FILENAMES.FILENAME | Name of the file.
**Validators**:
• this filename could be a relative path
• file type allowed: "directory" and "file" | | Variable                                                                                                                                                                            | Description                                                                                                                                                                         | |------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | **doc.disabled_modes**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` *`disabled`* `unique` `multiple`
**Command line**: --doc.disabled_modes
**Environment variable**: ROUGAILCLI_DOC.DISABLED_MODES | Disable documentation for variables with those modes.
**Validator**: verify if disable modes already exists
**Disabled**: disabled when there is no mode available | | **doc.change_default_value**
[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory`
**Command line**:
• --doc.change_default_value
• --doc.no-change_default_value
**Environment variable**: ROUGAILCLI_DOC.CHANGE_DEFAULT_VALUE | Modify values to document leaderships and dynamics families.
**Default**: true | | **doc.comment_examples**
[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` *`disabled`*
**Command line**:
• --doc.comment_examples
• --doc.no-comment_examples
**Environment variable**: ROUGAILCLI_DOC.COMMENT_EXAMPLES | Add description of variables and families when generate examples.
**Default**: false
**Disabled**: disabled when example in not in contents | | **doc.comment_examples_column**
[`integer`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory` *`disabled`*
**Command line**: --doc.comment_examples_column
**Environment variable**: ROUGAILCLI_DOC.COMMENT_EXAMPLES_COLUMN | Comment in examples starts at column.
**Default**: 30
**Disabled**: when the variable "[Add description of variables and families when generate examples](#doc.comment_examples)" is accessible and has the value "false" | | **doc.output_format**
[`choice`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory`
**Command line**: --doc.output_format, -do
**Environment variable**: ROUGAILCLI_DOC.OUTPUT_FORMAT | Generate document in format.
**Validator**: json output_format is not compatible with "changelog" and "example" contents
**Choices**:
• console **← (default)**
• asciidoc
• html
• github
• gitlab
• json | | **doc.force_true_color_terminal**
[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `mandatory`
**Command line**:
• --doc.force_true_color_terminal
• --doc.no-force_true_color_terminal
**Environment variable**: ROUGAILCLI_DOC.FORCE_TRUE_COLOR_TERMINAL | Force true color terminal.
**Default**: false |