showCmpForExistingUser static method
Shows the CMP flow to an existing user. Note that this resets the user’s existing consent information.
The function returns when the flow finishes showing. On success, returns null. On failure, returns MaxCMPError.
Implementation
static Future<MaxCMPError?> showCmpForExistingUser() async {
Map? error = await channel.invokeMethod('showCmpForExistingUser') as Map?;
if (error == null) return null;
return MaxCMPError.fromJson(Map<String, dynamic>.from(error));
}