# Describing enums

When an API operation includes an enum, you can add `x-enumDescriptions` to provide more context about each option. GitBook will display the enum values and their descriptions in a table next to the operation.

{% code title="openapi.yaml" %}

```yaml
openapi: '3.0'
info: ...
components:
  schemas:
    project_status:
      type: string
      enum:
        - LIVE
        - PENDING
        - REJECTED
      x-enumDescriptions:
        LIVE: The project is live.
        PENDING: The project is pending approval.
        REJECTED: The project was rejected.
```

{% endcode %}


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