Use
You can copy existing resources to change resources or create new resources. The data from the reference resource is copied to the new resource where it then can be changed.
You can enter a reference resource
Procedures
Entering the Reference Resource on the Initial Screen
The system offers data from the reference resource to copy to the new resource.
Entering the Reference Data on the Tab Pages in Resource Maintenance
The system displays a selection of data that is valid for the current tab page.
For example, if you are on the Default Values tab page, only the default values from the reference resource are proposed.

Existing data is overwritten with the data from the source.

You can change this data afterwards.