A dynamic family

>>> [!note] Informations
**dyn*val1***
**dyn*val2***
This family builds families dynamically.
`basic`
**Identifiers**: (from an undocumented variable)
- val1
- val2 >>> | Variable | Description | |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------| | **dyn*val1*.var**
**dyn*val2*.var**
[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `basic` `mandatory` | A dynamic variable. |