Gets a mail message using its ID from Microsoft Graph. This atomic requires one of the following API permissions: Mail.ReadBasic.All, Mail.Read.

Target: Microsoft Defender for Office 365 (Commercial or GCC) integration target or HTTP endpoint for "graph.microsoft.com"

Account Key: None if using an integration-provided target, access token if using an HTTP Endpoint target

Steps:
[] Request to get mail message by ID
[] Check if the request was successful:
[]> If it was, attempt to extract the message and set the output variable
[]> If it wasn't, output an error

More information about this API: https://learn.microsoft.com/en-us/graph/api/message-get

Microsoft Graph - Get Mail Message by ID