Changes

Implementing the Action Method
This code creates a file manager instance, identifies the documents directory and constructs the full path to our data file. It then converts the text contained in the text field object and assigns it to an NSData object the contents of which, in turn, are written to the data file by calling the createFileAtPath method of the file manager object.
22.7 == Building and Running the Example==
<google>ADSDAQBOX_FLOW</google>
Once the appropriate code changes have been made, test the application by clicking on the ''Run'' button located in the toolbar of the main Xcode project window. Assuming no compilation errors are encountered, the application should run within the iOS iPad Simulator.