Asignación registro Dynamics CRM 2011

AssignRequest.cs

// Assign the account to a team.                
AssignRequest assignRequest = new AssignRequest()
    {
      Assignee = new EntityReference
      {
        LogicalName = "LogicalNameEntidadUsuarioOEntidadEquipo",
        Id = new Guid("GuidDelUsuarioOEqupoAAsignar")
      },
Target = new EntityReference("LogicalnameDelRegistroaAsignar", new Guid("IddelRegistroAAsignar"))
      };
service.Execute(assignRequest);