Hi,As far as I know it's not possible to update the ID of a facet. But why would you want to do that? And from your initial question it sounded more like that you want to avoid overriding IDs.BRTheo

Hi Valentina,yes you can assign multiple ID_ORIGINs. This can be done using the additional facet entity when loading data via API. Also you need to set the customizing for ID_ORIGIN accordingly (one per contact = false).BRTheo

Hi Andrea,Please have a look here:https://help.sap.com/viewer/0f9408e4921e4ba3bb4a7a1f75f837a7/1902.500/en-US/779571096f694b41848a5ff2126e5c5a.html"Interaction contacts that are marked as Obsolete or IsEndOfPurposeBlocked are not visible and cannot b...