Modern web applications, especially cloud based applications require to integrate with various online services like Azure storage, Salesforce, and so on. Normally, we configure the service details to our application manually. Visual Studio 2015 added a new dialog for handling the integration with various services and configuration of the same.
Right click on References under Solution explorer and select Add Connected Service option from context menu
This will open the Add Connected Service window with available services. You can find more services by selecting Find more services link.
Click on Configure to invoke the configuration window for the service.
We can develop provider services, which will be listed under connected services using the Connected Services SDK.