Transition Type 8. Negative Edge Trigger Action: Guidelines

Tracker checks the first location of the source region for items.

Actions triggered by what items exist are:

If

No items exist in the source region.

Then

No items are moved.

If

Multiple items exist at a location.

Then

All items are moved.

 

Actions triggered by the specified handling of a moved item are:

 

If

Not handled along the route.

 

Then

The item moves and a message is logged warning the user.

 

If

Not allowed in the destination region.

 

Then

The item is deleted and a message is logged warning the user.

 Guidelines for Negative Edge Trigger include:

  1. The transition point may be an integer or character string point.

  2. The item transitions when the point goes from high( integer – non-zero, character string – non null string) to low (integer – 0, character string – null string)

  3. The first 36 characters of a setpoint, if configured, are:

First 16 characters

Item type

Next 20 characters

Either the:

Item ID–for a serialized item

Associated or parent item ID–for a non-serialized item.

More information

Transitions.