With our latest 7.5 client release, the searchable option list feature is now a reality. Please see the instructions below on how to use.
STEP 1. Click on your pick list, multi-select and Assign-To element.
STEP 2. At the top, you will see a search bar.
STEP 3. Type into the search bar and you will see your results begin to filter (A). Click on your choice (B).
VIDEO: SEARCHABLE OPTION LISTS