3069604 - Journal Entry Attachments not returned when using the API API_CV_ATTACHMENT_SRV

• The API API_CV_ATTACHMENT_SRV  and Entity GetAllOriginals is called with GET operation to return Attachments linked to Journal Entries but the response is empty
• Not clear what values to specify for the fields BusinessObjectTypeName  and  LinkedSAPObjectKey in the API API_CV_ATTACHMENT_SRV , Entity GetAllOriginals  to show Attachments for Journal Entries
• The API API_CV_ATTACHMENT_SRV and Entity AttachmentContentSet is called with POST operation to create Attachments linked to Journal Entries but the returns the error "You have no authorization for attachments" although the communication scenario SAP_COM_0002 is assigned

• SAP Document Management ( DMS )
• SAP S/4HANA Cloud Public Edition 

BUKRS ,  BELNR   ,  GJAHR , SAP_COM_0002 , KBA , CA-DMS , Document management , FI-FIO-GL-TRA , Transaction Apps , How To