In MyQ, Settings, External Systems, there are two sections:
External Systems, and
REST API applications
The External Systems section is used for:
setting up Microsoft Exchange Online
setting up SharePoint Online
setting up Amazon S3
setting up OneDrive Business
setting up Microsoft Universal Print
the MyQ and ScannerVision integration (embedded terminals and a MyQ Ultimate license are required; you can find further details in MyQ Smart Workflows and in MyQ Embedded terminal manuals).
In the REST API applications section you can add applications to MyQ by clicking +Add and filling in the Title and Scope. The Client ID and Secret fields should be used for the application’s configuration.