https://learn.microsoft.com/fr-fr/dotnet/api/microsoft.crm.sdk.messages.retrieveteamssystemuserrequest?view=dataverse-sdk-latest
RetrieveTeamsSystemUserRequest Class (Microsoft.Crm.Sdk.Messages) | Microsoft Learn
Deprecated. Use the RetrieveMultipleRequest class. Contains the data needed to retrieve the list of teams of which the specified user is a member.
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