Xcode4.0.2 on 10.6.8:

I have a NSArrayController and I add items to that controller. In the
nib I have bound a NSPopUpButton's "Content" to that
NSArrayController's arrangedObjects. Now with an empty model key path
I see the object's description in the popup. All good and expected.
Now these items the NSArrayController manages have a "name" property.
Accessing the name like this works just fine:

    NSLog(@"name: %@", [[[self.myArrayController arrangedObjects]
objectAtIndex:0] name]);

Now I would think I just need to change the model key path of the
"Content" binding to be "name" but IB gives me the exclamation mark
and says "no completion found".

I am confused. Shouldn't this just work like that? ...or what did I miss?

cheers,
Torsten
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