I am attempting to create a form with a multivalue field. The Data Type is set to string and Control Type is PickList
I am able to fill the PickList, however, when I attempt to select multiple values only the first value is being carried over.
I am assuming there is a script or event that I need to use to have all selected values carry over but I'm not able to determine what that should be.

I am currently using an onload event to populate the PickList
IDVault.globalList( field.getName(), "List1" );

The workflow is a task that is kicked off to a manager where they will be selecting proper fields for their employee to fall under. There will eventually be 3 pick lists that will/may have multiple values selected.
The workflow only consists of an approval and an Activity action.

Any info would be greatly appreciated!