2 status fields need to be added in Approval status in Milestones section.
The new fields should be:
And in Enterprise projects app, the project type as Upgrade.
I checked the extensibility options in these apps available. But, it seems I cannnot extend the SAP delivered drop down fields. Can you pls confirm?
We suggest you to create a feature request to SAP (see KBA2963059- How to Submit Feature Requests for SAP S/4HANA Cloud Product ). In case your request is critical for your Go Live – please reach out to your assigned Product Expert or Customer Engagement Executive who will help to coordinate your request.