List of useful links introduce doing the SPBG Global Office 365 Developer Bootcamp:
- Test site to send cards through Groups connectors
https://connectplayground.azurewebsites.net/ - Configuration site to setup Groups connectors
https://outlook.office.com/connectors/publish - Documentation for cards
https://docs.microsoft.com/en-us/outlook/actionable-messages/card-reference - Card playground. To test and see how cards looks like
https://messagecardplayground.azurewebsites.net/