ReferralCodeCallback typedef

ReferralCodeCallback = void Function(String? referralCode, Exception? error)

Callback function type for referral code retrieval.

Defines the signature for a callback function that handles the result of retrieving a referral code.

Arguments:

• referralCode: The retrieved referral code, if any.
• error: An Exception object if an error occurred.

Implementation

typedef ReferralCodeCallback = void Function(
    String? referralCode, Exception? error);