Symptom
You have created a Custom Object and reused the standard Feed facet. However, when the notifications are coming, the link is not SSO and the object is called Activity Object.
Environment
SAP Cloud for Customer
Cause
This is a current system limitation for Feeds notifications triggered by Custom BOs.
Resolution
This is the standard behavior of the system.
If the feature/functionality is needed as a matter of urgency, please refer to KBA 3475641 - Functionality Currently not Available.
Keywords
Password requested; not working; email link; , KBA , SRD-CC-FED , Feeds , How To
Product
SAP Cloud for Customer add-ins all versions ; SAP Cloud for Customer core applications all versions