| **<aid="condition"name="condition">condition</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard``mandatory` | A condition.<br/>**Default**: no |
| **<aid="var1"name="var1">var1</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard`*`hidden`* | A first variable.<br/>**Hidden**: calculation from an unknown variable |
| **<aid="var2"name="var2">var2</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard`*`hidden`* | A second variable.<br/>**Hidden**: calculation from an condition variable |