Find out the trigger object involved in the event.

Return Integer=PHY GET TRIGGER OBJECT A()

identification number of the trigger object is returned

When an event takes place with a trigger such as an object entering or leaving then data is stored to one side using a stack. To find out whether data is available use the command phy get trigger data. After that step phy get trigger object a can be called. It in turn returns the ID number of the trigger that was involved in the event.

No example code is provided for this command