| **<aid="source_variable_1"name="source_variable_1">source_variable_1</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard``mandatory` | The first source variable.<br/>**Default**: val1 |
| **<aid="source_variable_2"name="source_variable_2">source_variable_2</a>**<br/>[`string`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard``mandatory` | The second source variable.<br/>**Default**: val2 |
| **<aid="my_variable"name="my_variable">my_variable</a>**<br/>[`choice`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard``mandatory` | A variable.<br/>**Choices**: <br/>• the value of the variable "[The first source variable](#source_variable_1)"<br/>• the value of the variable "[The second source variable](#source_variable_2)"<br/>**Default**: val1 |