Creating Production Resources/Tools as a
Document
...
1. In the SAP menu choose Logistics → Production → Master data → Prod.resources/tools and then Prod.resources/tools → Document → Create.
2. Enter the relevant data on the initial screen.
Use a document category that is intended for use as a production resource/tool.
3. Choose Enter.
4. Enter the document data.
For more information, see CA - Document Management Guide.

You release the document for use as a PRT by maintaining the document status..
5. Save the document.
See also:
CA - Document Management Guide