Test FCM Notification with POSTMAN like PRO!

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I am here with my new and useful article and I am willing to share my problems and their solutions.

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Recently, I am developing one application which has functionality of Push Notification, I used to with Firebase Cloud Messaging, Hope you also use this awesome feature of Firebase.

I face one problem during development of this functionality and scenario is like: Whenever any user from insert or update data in website then I have to show notification in Android App, but still that module is in under development from web. So QUESTION is HOW I can Test this Notification functionality like PRO!.

There are two types of message in that one way to send Generic Notification using Notification Composer :

Testing FCM — Generic Notification

As per documentation,> Notification Message - FCM automatically displays the message to end-user devices on behalf of the client app. Notification messages have a predefined set of user-visible keys and an optional data payload of custom key-value pairs.> Data Message - Client app is responsible for processing data messages. Data messages have only custom key-value pairs.

Now,

Send Data Message using HTTP protocol with POSTMAN

You have to copy Legecy Server Key from Firebase Console > Project Settings > Cloud Messaging

Note: Firebase has upgraded our server keys to a new version. You may continue to use your Legacy server key, but it is recommended that you upgrade to the newest version .

• Select POST. Enter request URL as https://fcm.googleapis.com/fcm/send
• Add Headers Authorization: key=<legacy_server_key> OR Authorization: key=<server_key>and Content-Type: application/json.

Setting-up with POSTMAN

• Now Select Body > raw > JSON (application/json) and add following code:

{ "to" : "YOUR_FCM_TOKEN_WILL_BE_HERE", "collapse_key" : "type_a", "notification" : { "body" : "First Notification", "title": "Collapsing A" }, "data" : { "body" : "First Notification", "title": "Collapsing A", "key_1" : "Data for key one", "key_2" : "Hellowww" }}

• You can push a Generic notification (with notification payload) or a Custom notifications (with notification and data payload) and hit Send.

{ "to" : "YOUR_FCM_TOKEN_WILL_BE_HERE", "collapse_key" : "type_a", "data" : { "body" : "First Notification", "title": "Collapsing A", "key_1" : "Data for key one", "key_2" : "Hellowww" }}

• Note that Custom notification will only trigger if there is only data (without notification) node in the payload. Hence, you’d need to move the body and title to data node.

Keep in Mind : Use registration_ids instead of to node if you want to send notification to multiple devices with corresponding firebase_instance_id's.

I have created POSTMAN Collection for you, Run in Postman directly.

That’s it.

You can visit my previous post : POSTMAN — Lets Fly with API’s

You can Download Source Code for Firebase-Notification Demo

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