[FR]Why does admin.send() return just the response name as error instead of the full response object

[nero2009]

Is your feature request related to a problem? Please describe.

I need to be able handle and cleanup tokens that have expired or are not working for whatever reason. I just migrated from sendToDevice to send and I was surprise that only a string response/error is returned when send is called.

Describe the solution you'd like

A response object that contains status, error code and message

similar to the return type of the now deprecated sendToDevice method

export interface FirebaseError {

code: string;

message: string;

stack?: string;

toJSON(): object;

}

Describe alternatives you've considered

There is no exhaustive list of all the error so there is no way for me to know when to remove expired token from my DB or keep them

Additional context

it is a bit wierd that other methods get a proper error object but send just gets a string error

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[nero2009]

False alarm because an Error object is returned but documentation can be improved

https://firebase.google.com/docs/reference/admin/node/firebase-admin.messaging.messaging.md#messagingsend

send returns an Error object on error.

Please update docs to show what the Error object is return when send fails