Slicer

Problem :My slicers has lots of values. Say, it represents the different courses available. I can use the Search function on the slicer to filter down the list displayed in the slicer. Say, I want to search for all courses with "Nursing" in it. However, if I need the reports to be updated with data from all courses with "Nursing" in it, each of them has to be selected manually. Request: Ability to Select All on the values displayed after Search is performed on slicer. This is very important as PowerBI Apps does not have Filter available like PowerBI Workspace.