Update a Custom Field

Use this endpoint to update an existing custom field value.

Path parameters

Parameter	Description
`id`	The unique identifier of the custom field value to update

Parameter	Required	Description
`value`	Yes	The new field value (must match the definition’s data type)

The new value is validated against the field definition’s data type
For enum fields, the value must match one of the definition’s configured options
The updated_by user is recorded for audit purposes
Update pathway tracking records the source of the change