Implement AVFoundation delegates

- [Instructor] Now that we've set up our camera framework…to tell AvFoundation to capture a still image,…let's go ahead and get that image data…out of the delegate that AVFoundation gives us.…On line 54 you'll notice that we set up our photo output…to capture a photo using a set of AV capture photo settings…adhering to a certain delegate.…However, you'll notice that we haven't yet…made our camera object adhere to that delegate.…So let's go ahead and set that up now.…Scroll down to the bottom of your camera.swift file…and create another extension.…You'll want to make sure that you extend camera…while making that extension adhere…to the AVCapturePhotoCaptureDelegate.…

Open your curly brackets and before you continue,…make sure you mark this extension properly…as still photo capture to organize your code.…Go into your extension and this time,…instead of letting us auto complete a function…that we want out of this delegate,…hold the Command key on your keyboard,…and click on AVCapturePhotoCaptureDelegate.…Jump into that definition, go up the top toolbar,…