SELECTEDVALUE returns the value when there’s only one value in the specified column, otherwise returns the alternate result. In this video, I have explained two applications of the selected value function along with some discussion on HASONEVALUE and VALUES functions.
Microsoft Documentation Link:
https://docs.microsoft.com/en-us/dax/...
https://docs.microsoft.com/en-us/dax/...
https://docs.microsoft.com/en-us/dax/...
Get the .pbix file from here!
https://tinyurl.com/y89g5rrs
Enjoy Dax!