| **<aid="var"name="var">var</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard``mandatory` | A variable.<br/>**Default**: no |
| **<aid="fam1.var"name="fam1.var">fam1.var</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard``mandatory` | A calculated variable.<br/>**Default**: the value of the variable "[A variable](#var)" |