USP_DATAFORMTEMPLATE_ADD_APPUSERPROXYUSER_PRELOAD

            create procedure dbo.USP_DATAFORMTEMPLATE_ADD_APPUSERPROXYUSER_PRELOAD
            (
                @ID uniqueidentifier,
                @USERNAME nvarchar(128) = null output
            )
            as
                set nocount on;

                select
                    @USERNAME = APPUSER.USERNAME
                from dbo.APPUSER
                where APPUSER.ID = @ID;

                return 0;