Power Fx functions in Power Apps, such as AddColumns, DropColumns, RenameColumns, and ShowColumns, allow for dynamic data manipulation within Canvas Apps. These functions can be used to perform calculations and transformations without permanently modifying the database schema. For example, AddColumns can create calculated fields dynamically within the app, ShowColumns can specify which columns to display, RenameColumns can change column names, and DropColumns can remove unnecessary columns from the view. This flexibility enhances the user experience and eliminates the need for additional fields in D365 CRM.
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