rougail-output-doc/tests/docs/no_namespace/04_7validators_variable_optional.md

---
gitea: none
include_toc: true
---
# dictionaries/rougail/00-base.yml

```yaml
---
version: '1.1'
general:  # a family
  int:
    description: a first number
    type: number
    test:
      - 5
    validators:
      - jinja: |
          {% if _.int == int2 %}
          int and int2 must be different
          {% endif %}
        params:
          int2:
            variable: _.int2
            optional: true
        description: int and int2 must be different
      - jinja: |
          {% if int3 is defined and _.int == int3 %}
          int and int3 must be different
          {% endif %}
        params:
          int3:
            variable: _.int3
            optional: true
        description: int and int3 must be different
  int2: 1  # a second number
```
# Variables

## a family

`basic`

| Variable                                                                                                       | Description                                                                                                    |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **general.int**<br/>[`number`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `basic` `obligatoire`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | A first number.<br/>**Validators**:<br/>- int and int2 must be different.<br/>- int and int3 must be different.<br/>**Exemple**: 5                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| **general.int2**<br/>[`number`](https://rougail.readthedocs.io/en/latest/variable.html#variables-types) `standard` `obligatoire`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | A second number.<br/>**Défaut**: 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |