How do you map attribute names using MagicalRecord?

Question

I have an NSManagedObjectModel subclass, and it has this property:

userId

However, the downloaded XML, which is parsed into an NSDictionary to be mapped to my model, uses this property:

userid

(Note the difference in case)

I tried following this blog post, yet I'm still doing something wrong (because the data doesn't map correctly):

http://www.cimgf.com/2012/05/29/importing-data-made-easy/

Here's a screenshot showing how I setup the model in the data model builder:

What's the correct way to do this?

Answer 1

Here's the correct way to do this:

On the attribute set this:

name = userId

On the attribute's User Info set these:

key = mappedKeyName
value = userid

Here's how it should look: