Send Firebase Cloud Message with Node.js

firebase_cloud_message_with_node.ts

import FirebaseAdmin from "firebase-admin"

const usersNotificationTokens = ["..."]

const serviceAccount = await import("./firebase.json");

FirebaseAdmin.initializeApp({
    credential: FirebaseAdmin.credential.cert({
        projectId: serviceAccount.project_id,
        clientEmail: serviceAccount.client_email,
        privateKey: serviceAccount.private_key, // Ensure you are using Node v 18.0.0 or higher to avoid errors reading the private key
    })
});

await FirebaseAdmin.messaging().sendMulticast({
    tokens: usersNotificationTokens,
    notification: {
        title: "Hello World",
        body: "This is a demo notification",
        imageUrl: "https://www.google.com/images/branding/googlelogo/2x/googlelogo_color_272x92dp.png",
    },
});