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CallerImpersonationScope Class

Applies To: CRM 2015 on-prem, CRM Online

Identifies a user as the owner of all data changes made by calls to a Web service.

Namespace: Microsoft.Xrm.Sdk
Assembly: Microsoft.Xrm.Sdk (in Microsoft.Xrm.Sdk.dll)

The specified user does not have to be the same user that instantiated the service. When the CallerImpersonationScope object goes out of scope and is disposed, calls to the service are owned by the original user that instantiated the service.


using (new CallerImpersonationScope(service, userId))
{
   // Display information about the logged on user.
   Guid effectiveUserId = ((WhoAmIResponse)service.Execute(new WhoAmIRequest())).UserId;
   SystemUser systemUser = (SystemUser)service.Retrieve("systemuser", effectiveUserId, 
       new ColumnSet(new string[] {"firstname", "lastname"}));
   Console.WriteLine("Logged on user is {0} {1}.", systemUser.FirstName, systemUser.LastName);
}


System.Object
  Microsoft.Xrm.Sdk.CallerImpersonationScope

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

Development Platforms

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

Target Platforms

Windows Server 2008,Windows Server 2012,Windows 7

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