Introduction:
...
The setup of the Azure application is described here: https://kgs-software.atlassian.net/wiki/spaces/SUPPORT1/pages/2920710145/Register+Microsoft+Azure+application+for+email+deliverys/WIKI/pages/2203680771
Configuration of the tia® H5 Viewer
...
The following values must be entered: (Also: https://kgs-software.atlassian.net/wiki/spaces/WIKI/pages/2203680771) Register Microsoft Azure application for email delivery
authority: this is the baseURL + directory (tenant) ID.
For instance: https://login.microsoftonline.com/051ebb00-ace6-4a0a-a288-0dec45c505fa
ClientId: This is the application identity. Can be viewed under Azure Portal → "Overview".
...