PowerApp to Search Multi-select Choice column in SharePoint Document Library or List

In this video a I will be creating an exciting PowerApp that searches SharePoint Document Library Multi-select Choice column. The process will be identical to SharePoint List as well in case you want to build a PowerApp with similar functionality. 1) Add a ComoBox and bind this to SharePoint Multi-select choice column to show the choices that user can select. 2) Add a Button and create a collection with a list of documents applying the filter 3) Bind and the display the collection to a Gallary