UFUNCTION

Question 1

what is a UFUNCTION()

Answer 1

C++ function that recognised by UE reflection system

functions that can be called from C++ and BP

Question 2

what are the most used specifiers?

Answer 2

BlueprintCallable - func executed in a BP or level BP Graph

BlueprintImplementableEvent - can be implemented in a BP or Level BP Graph

BlueprintPure - Creates pure function with no return?

BlueprintNativeEvent - has native implementation but is designed to be overridden by BP