Dispatch Methods
The AggDistributionCanal only dispatches on the first timestep. The dispatch method calls the function to route delivery requests upstream from the canal elements for all timesteps. See 
User Methods for details. 
If the No Routing method is selected in the Request Routing category, this object does not dispatch. See 
No Routing for details.
 Solve given Downstream Delivery Request
This dispatch method is only executed when Time Lag request routing is selected in the Request Routing category. See 
Time Lag for details. 
Required Known Slots 
Required Unknown Slots