Dave Carrol @DCarroll and I just finished presenting a session for consuming services using the new Add Connected Services experience in Visual Studio.
For info on Connected Services:
https://aka.ms/ConnectedServices General info
https://aka.ms/ConnectedServicesSDK for building a Connected Service
The LANDESK UMP Sample is available here: github.com/SteveLasker/LandeskDemo
The Visual Studio Online Connected Service Sample is available here: github.com/SteveLasker/VSOnlineConnectedService