I need to create a cascading. multi-select list box on a Submission - that has "select check boxes" associated with each option, and a "select all" button.
I have explored two solutions, both of which don't work.
Solution 1: I know that I could set the data type to List - String, and then multi-select becomes a standard option (with a "select all" option as well). But the problem with that standard solution is that it does not allow for cascading based on another fields in the Submission Form.
Solution 2: I also know that I could use a Cascading List Box, together with th