updateCustomObject

Full update of a custom object instance (activity log records full diff).

Updates field values of an existing custom object instance identified by display ID (e.g., “VEN-42”) or internal numeric ID. Provide only the fields you want to change in form_fields — unlisted fields are preserved.

Parameters

Name	Type	Required	Description
`id`	string	Yes	Display ID (e.g., “VEN-42”, “VISA-100”) or internal numeric ID (e.g., “157”).
`form_fields`	object	No