I have a class `DiscoverUserInfo`, which has a function `compoundKeyValue`. I need to call this function in line 23 (see pic below). But I am getting the following error:

> 
> Value of type '(NSObject) -> () -> DiscoverUserInfo' has no member
>  'compoundKeyValue'
> 
> 
> 

[![enter image description here](https://i.stack.imgur.com/kV8de.png)](https://i.stack.imgur.com/kV8de.png)