According to https://developer.cisco.com/learning/devnet-express/dnav4-track/dnav4-intro-dnac/dne-dnac-path-trace/step/2 there should be at least environment variables in the postman collection/environments of DNE for the source/destination IP, this is not the case <img width="1912" alt="Screenshot 2021-09-28 at 17 09 51" src="https://user-images.githubusercontent.com/91552526/135114761-fdb25bae-817e-4474-ae68-b46b968a8bb0.png"> .