Task References

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pop (WorkFlowEngine)


The pop task removes the last item from a non-empty job array variable and returns the removed item with a success finish state. It returns a failure finish state if the the job array variable has no elements.


Incoming Description
Select Job Variable (required) Select the job variable that will be modified.

Outgoing Description
popped_item The outgoing variable which contains the removed item.


Assume a job variable named fruits with value ["apple","banana","orange"] and you want to remove the last element.

  1. In the pop task's properties dialog box, select fruits from the Select Job Variables dropdown.
  2. Click UPDATE.

The pop task changes job variable fruits to have value ["apple","banana"], and it returns value orange in its outgoing variable popped_item.

Figure: Pop task

Pop Task