The easiest way is through ZA Bank App. Go to " Account " and click “Add to Apple Wallet” button, then follow the instruction.
Alternatively, you can also use the Wallet App on your Apple Device:
For iPhone,
1. Open the Wallet App
2. Tap the plus sign in the upper right corner
3. Select "Next" and follow the instructions to enter the card information
For iPad,
1. Go into Settings
2. Tap "Wallet & Apple Pay" and select "Add Credit or Debit Card"
3. Select "Next" and follow the instructions
For Apple Watch,
1. Open the Apple Watch app on your iPhone
2. Tap "Wallet & Apple Pay" and select “Add a Credit or Debit Card”
3. Select "Next" and follow the instructions