I have two Sharepoint List and using edit form on the first list called SALES and have a dropdown (Choice column type) where the item is filtered and distinct from the PRODUCT list. I was able to show the items of my dropdown based from the product using lookup
Sort(
Distinct(
Filter(
ETT,
Category= "Car"
),
Prod
),
Result,
Ascending
)
and the update property of my data card of the dropdown is DataCardValue47.Selected but its not updating on the sharepoint list