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