One button, fifty rows: bulk write-back from Power BI to Fabric SQL using a UDF | Part-2

5. The report page Enable Translytical task flows and Text slicer under Preview features in Desktop first, or the Data function action type will not appear on the button at all. Element Setup Hotel slicer HotelCode, multi-select on. This is what drives single vs bulk. Code type slicer CodeType, single select on . Major group input Text slicer, no field bound . It's an input box, not a filter. Minor group input Text slicer, no field bound. Table visual HotelCodeSetup, showing current state. Audit visual vw_HotelCodeSetupHistory, sorted by ChangedDateUtc descending. Apply button Action → Data fu