# roles

### Description

Use `roles` to check if the [instance](https://docs.atfinity.io/guides/glossary/instance) in a case has a certain role. Based on that, you can require different [documents](https://docs.atfinity.io/guides/glossary/document). 

### Example

```
p is Person
p.roles contains AccountHolder
```

This condition evaluates to 'true' if the person involved has a role as an account holder in the [case](https://docs.atfinity.io/guides/glossary/case).