> ## Documentation Index
> Fetch the complete documentation index at: https://terminal49-vorflux-dev-12120-supported-document-types.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Update a custom field option

> Update an enum option on a custom field definition in the Terminal49 API. Change the option's display label without invalidating records that reference it.

Update an existing custom field option.

## Path parameters

| Parameter       | Description                                          |
| --------------- | ---------------------------------------------------- |
| `definition_id` | The unique identifier of the custom field definition |
| `option_id`     | The unique identifier of the option                  |

## Request body

Provide the fields you want to update, such as `label` or `position`.