| **<aid="condition"name="condition">condition</a>**<br/>[`boolean`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard``mandatory` | A condition.<br/>**Default**: false |
| **<aid="variable"name="variable">variable</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `basic``mandatory`*`disabled`* | A variable.<br/>**Disabled**: when the variable "[A condition](#condition)" has the value "true" |