Wallet pass
A Wallet pass is an individual digital card object stored and displayed by a Wallet app. It contains information supplied by its issuer and is separate from the Wallet app itself.
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What this means for your shop
The Wallet app is the storage place; your pass is one card inside it. Other cards can sit alongside yours without belonging to your programme. Guests should therefore be able to recognise which pass belongs to your shop and what progress it shows.
The issuer determines the contents and the process behind them. Apple explicitly describes this division of responsibilities: Wallet displays passes, while the issuing system handles creation and redemption. Google also documents updatable pass objects. Which of these card functions a pass uses depends on its provider.
How to recognise it
A guest opens Wallet and chooses between an event ticket and your customer card. These are separate passes. Only your card shows their collection progress at your business. A changed stamp count is a content update; an additional notification on the device is a separate event.
With Treubar
The pass displays your design, the stamp count and the reward, and your team scans it to award stamps. If the display has not updated yet, the team app shows whether the transaction went through.
The Apple Wallet and Google Wallet guides explain how to save a pass. A new QR registration creates a new, empty card, so returning guests keep using the pass they already saved.