Example with mandatory variables not filled in

var1: test                    # The first variable
var3: test1                   # The third variable
var6:                         # The sixth variable
  - test1
  - test2

Example with all variables modifiable

var1: test                    # The first variable
var2: test                    # The second variable
var3: test1                   # The third variable
var4:                         # The forth variable
var5: false                   # The fifth variable
var6:                         # The sixth variable
  - test1
  - test2