What is the entity name for updating AR credit memo header and line level DFF fields - SOAP service

Summary:

What is the entity name for updating AR credit memo header and line level DFF fields using ErpObjectDFFUpdateService. For AR invoice it is "Receivables Invoice". We wanted to know the same for credit memo of both the types (CM & ONACC)

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):