1. After completing your purchase, select "Add to Google Wallet" either on the confirmation page or in the email sent to you.
2. When prompted, click the button labelled "Add."
3. Should you wish to do so, click the button labeled "View in Wallet" when prompted.
4. Having chosen to view your ticket in the Google Wallet app or opened the app afterward, locate your ticket by scrolling up if necessary.
5. Finally, place your phone face down on the ticket machine's scanner to allow for the barcode to be read.