Wait/Release Dispatchers

Items entering the dispatcher wait there until a routine oeration
message -> "Release Item" is used to release them from the dispatcher.

The "Release Item" routine operation takes 2 parameters

"Item Index" the Item ID of the item you want released from the
dispatcher

"Scope Panel" If non zero, this specifies a dynamic panel which will
define the dynamic scope under which the release will
work. IF 0, the release will work for any dispatcher
in the model.

Using this value cuts down the search space in looking
for dispatchers to release the selected item from.

the operation sets a target attribute to 1 if the item was found and
released, otherwise it sets the target to 0

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idkbase note 140