Passes can be delivered through a companion iOS app. The app will provide a UI, using Apple's PassKit framework, allowing the user to view a Pass and choose to add it to their Passbook.
To follow these steps, it is assumed that you have some experience of Objective-C and creating iOS apps.
The example project, created as follows, can be downloaded from the following location:
This app does not use Automatic Reference Counting (ARC), if you are using the code in an ARC environment, remove any calls to releasing objects.