Based on Microsoft Graph REST API ( for more info see : [https://docs.microsoft.com/en-us/graph/api/resources/message?view=graph-rest-1.0]).\\

!!!Microsoft Graph Application registration
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It requires Microsoft Graph Application registration. Start at the Microsoft azure portal:\\
[https://azure.microsoft.com/en-us/features/azure-portal/]\\
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Application registration: Go to the App registrations and click on New registration:\\
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