Purpose
The shift task removes the first 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.
Properties
| Incoming | Description |
|---|---|
| Select Job Variable (required) | Select the job variable that will be modified. |
| Outgoing | Description |
|---|---|
shifted_item |
The outgoing variable which contains the removed item. |
Example
Assume a job variable named fruits with value ["apple","banana","orange"] and you want to remove the first element.
- In the pop task's properties dialog box, select
fruitsfrom the Select Job Variables dropdown. - Click UPDATE.
The shift task changes job variable fruits to have value ["banana","orange"], and it returns value apple in its outgoing variable shifted item.
Figure: Shift task
