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Using DTU with Order Management Signals
Order Management signals are a powerful infrastructure that allow you to define complicated runtime events. For more information, see Signals.
DTU can be directly invoked through a signal. When this happens, the signal infrastructure passes the row ID of the current instance buscomp to the RowId argument of DTU. This tells DTU which source buscomp record to work with.
In a rare case when you invoke DTU from a signal, but you do not want DTU to use RowId passed from the signal as the context, simply set the IgnoreRowId argument to Y.
Since signals pass the RowId argument instead of the buscomp instance into DTU, a new instance of source buscomp is always created.