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Snaps in Exchange Online Snap Pack require an OAuth2 account to access the resources in Azure. For the OAuth2 account to authorize successfully, ensure to create and configure an application corresponding to the account as displayed in the workflow.
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On the application page, under Essentials, note the Application (client) ID, Directory (tenant) ID and Client credentials needed for the Snap account.
In the left navigation panel, select Manage > Certificates & secrets.
On the Certificates & secrets page, click + New client secret.
In the Add a client secret window, enter the Description, select an option for Expires from the dropdown list, and click Add.
The Client secret value and ID are generated. This value and the ID are required to configure the OAuth2 account.
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