Setting up iOS configs
You can either use a APNS Provider Certificate or APNS Authentication Key to configure iOS push notification in Castled.
APNS Authentication Key is the recommended method for sending push notfication to your apps running on iOS devices. It use token based authentication and is faster than the certificate based one. This doc has instructions on how to generate an Authentication Key
Uing APNS Authentication Key
This doc has more information on how to obtain Auth key file, Key ID, Team ID and Bundle ID.
Using APNS Provider Certificate
To generate the certificate and the private key you can follow the instructions provided in the apple docs
Once you save the configs in Castled, you will get an
instance-id which will be later used while integrating the SDK with your app.