Firebase messaging, message not recieved - firebase

Question

My cloud function states it has sent a message successfully undefined messages were sent successfully but I don't receive it:
const functions = require("firebase-functions");
const admin = require("firebase-admin");
var serviceAccount = require("./config.json");
admin.initializeApp({
credential: admin.credential.cert(serviceAccount),
databaseURL: "https://pushmessage-bd1eb.firebaseio.com"
});
const messaging = admin.messaging();
const message = {
data: { title: "Testing", body: "Test" },
token:
"fm8hZocb9X0:APA91bGANY8U1k7iXSAofh8PEtyA3SfkAvyvicjHbSzDC7s1DwzhCxBBhj5oeAhiZpNLFC1wUHOPX_C0vlGtUMv882EXxBjsM4qeBpFndka8kzir9kgmJnuPTRImx2cxUT53oXzJuAzB"
};
messaging.send(message).then(response => {
console.log(
response.successCount + " messages were sent successfully"
);
});
If I use the same token in the firebase dashboard to send a message, the message sends successfully.
How can I get my cloud function to send a message?
config.json:
{
"type": "service_account",
"project_id": "pushmessage-bd1eb",
"private_key_id": "xxx",
"private_key": "-----BEGIN PRIVATE KEY-----\nxxx-----END PRIVATE KEY-----\n",
"client_email": "firebase-adminsdk-8dd2o#pushmessage-bd1eb.iam.gserviceaccount.com",
"client_id": "xxx",
"senderID": "388436954224",
"auth_uri": "https://accounts.google.com/o/oauth2/auth",
"token_uri": "https://oauth2.googleapis.com/token",
"auth_provider_x509_cert_url": "https://www.googleapis.com/oauth2/v1/certs",
"client_x509_cert_url": "https://www.googleapis.com/robot/v1/metadata/x509/firebase-adminsdk-8dd2o%40pushmessage-bd1eb.iam.gserviceaccount.com"
}

Answer 1

Are you using admin.messaging().send()?
See:
https://firebase.google.com/docs/reference/admin/node/admin.messaging.Messaging#send
https://firebase.google.com/docs/reference/admin/node/admin.messaging.Message
https://firebase.google.com/docs/reference/admin/node/admin.messaging.Notification
Please try the following code.
Change data to notification.
And the admin.messaging().send() return string.
const message = {
notification: { title: "Testing", body: "Test" },
token:
"The registration token here"
};
admin.messaging().send(message).then(response => {
console.log(
response + " messages were sent successfully"
);
});
Or you can use admin.messaging().sendToDevice().
See:
https://firebase.google.com/docs/reference/admin/node/admin.messaging.Messaging#sendToDevice
https://firebase.google.com/docs/reference/admin/node/admin.messaging.MessagingPayload
https://firebase.google.com/docs/reference/admin/node/admin.messaging.MessagingDevicesResponse
Please try the following code.
const token= "The registration token here";
const payload = {
notification: { title: "Testing", body: "Test" }
};
admin.messaging().sendToDevice(token, payload).then(response => {
console.log(
response.successCount + " messages were sent successfully"
);
});