To donate to us with Apple Cash:
Open the Wallet app on your iPhone, select your Apple Cash card,
Tap "Send or Request",
Enter 8504646442 (alternatively you can set us up in your contacts and select us that way as well),
Enter the amount you want to donate,
Confirm the payment with Face ID, Touch ID, or your passcode;
You can also send money through the Messages app by tapping the "+" button and selecting Apple Cash.