[cols="1a,1a"]
|====
| Variable   | Description                                              
| **leader.leader** +
`https://rougail.readthedocs.io/en/latest/variable.html#variables-types[string]` `multiple` `standard` `mandatory` `unique`            | **Default**: 

* a
* b                                                          
| **leader.follower** +
`https://rougail.readthedocs.io/en/latest/variable.html#variables-types[string]` `standard`            |                                                          
| **variable** +
`https://rougail.readthedocs.io/en/latest/variable.html#variables-types[string]` `multiple` `standard` `unique`            | **Default**: the value of the variable "leader.follower" 
|====

