FCM - Generate a custom token by using getToken() method or smt else?

[burakkbilginn]

Is there a way to register a device with a custom FCM token which is a spesific token or a previously generated/deleted token? Like messaging().getToken("fdasafasdfasfdsadf") ?
I need this because I need to use the previously created token

[mikehardy]

Hi there! No, unfortunately the SDKs have no API to set the token. They will fetch one for you if you ask but it is an internal process

https://firebase.google.com/docs/reference/js/messaging_