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Cocoa Programming for OS X: The Big Nerd Ranch Guide by Aaron Hillegass, Adam Preble, Nate Chandler

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Challenge: Add Usernames

In your current Chatter app, there is no way to tell who sent what message. Add a text field to the top of the ChatWindowController where the user can enter a username. Send the username – or, if none has been entered, a good default value – with the notification when they send a message. Display the username in the text view.

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