> ## Documentation Index
> Fetch the complete documentation index at: https://docs.virtuous.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Update a Custom Field

> Updates a custom field.

Change fields such as its `displayName`, `rank`, whether it is `required` or enabled, or the `listValues` a picklist offers. Returns the updated field.


## API Specification

The full API specification for this endpoint is available in the [documentation index](https://docs.virtuous.org/llms.txt).