default
The default authentication method used for APNs. NOTE: Amazon Pinpoint uses this default for every APNs push notification that you send using the console. You can override the default when you send a message programmatically using the Amazon Pinpoint API, the AWS CLI, or an AWS SDK. If your default authentication type fails, Amazon Pinpoint doesn't attempt to use the other authentication type. One of the following sets of credentials is also required. If you choose to use Certificate credentials you will have to provide: