I could not find any published example for the path
Cisco-IOS-XR-ifmgr-cfg/interface-configurations/interface-configuration/ethernet-service
The closest examples with the same YANG model can be found here.
Are you experiencing any specific issue related to that YANG model and/or path? What YDK release are you using for your application? What is programming language?
Regards,
Yan
Yan Gorelik
YDK Solutions