when a user starts a process instance in the jBPM Console I'd like to display a form with a select input allowing multiple selection.
I've got the form displayed properly with the multi-select box. However, when submitting the form the corresponding process variable only gets filled with a String containing the first selected value. Any other selected value is discarded, and I would have expected some Collection type instead of a String.
The form is a basic HTML form inside the <process_id>.ftl file: