Changes

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The final step is to build and run the application. Click on the run button located in the toolbar of the main Xcode project window. If errors are reported check the syntax of the code you have written, using the error messages provided by Xcode as guidance. Once the application compiles it will launch and load into the device or iOS Simulator. Enter some test contacts (some with the same name). Having entered some test data, enter the name of the contact for which you created duplicate records and tap the Find button. The address and phone number of the first matching record should appear together with an indication in the status field of the total number of matching objects that were retrieved.