In this page, we will create a function that is used to revoke the Sign in with Apple token in Firebase Functions.
See this link for more details.
If Firebase provides related function in the future, I recommend using it.
TEAM ID: Your team ID, which can be found at https://developer.apple.com/account/#!/membership
CLIENT ID: For apps, this is your App ID (IDENTIFIER) located at https://developer.apple.com/account/resources/identifiers/list
KEY ID: This is the Key ID that appears when you go to https://developer.apple.com/account/resources/authkeys/list