Adding a gift card to your Apple Wallet is a convenient way to keep it handy. First, you need to ensure the card supports Wallet. Open the Wallet app, tap the "+" button, then follow the prompts to scan or manually enter the card details. Sometimes, specific apps or emails provide an "Add to Apple Wallet" option. Have you tried adding gift cards before? What type of gift card are you trying to add this time? Let me know if you encounter any specific issues!