We'd need to see more code. It's not defined anyw...

# android

[adam-mcneilly]

We'd need to see more code. It's not defined anywhere in your snippet so there's no way to tell. Control click on purchaseState and you should see where it's defined, and from there you'll be able to tell what type it is.

The question mark is the safe operator - https://kotlinlang.org/docs/reference/null-safety.html#safe-calls