How can I handle FCM when my app is not running?

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I can receive FCM when app is active or background.

But can’t receive when not running.

How can I receive FCM when application state not running?

in didFinishLaunchingWithOptions.There is a parameter launchOptions which contains push notification.Store the data and handle it in firstViewController you open.I did it by writing these lines in appDelegate I used swiftyJson and take userPush in singleton class to 1:guard let pushNotification = launchOptions?
[UIApplicationLaunchOptionsKey.remoteNotification] else { return true }
let data = JSON(pushNotification)

UserDataSingleton.sharedInstance.notificationData = data
UserDataSingleton.sharedInstance.userPush = 1

Now in my splashViewController I did:override func viewDidAppear(_ animated: Bool) {

if (UserDataSingleton.sharedInstance.userPush == 1){

UserDataSingleton.sharedInstance.userPush = 0
let appDelegate = UIApplication.shared.delegate as! AppDelegate

appDelegate.handlePushNavigation(userInfo: UserDataSingleton.sharedInstance.notificationData!)




handlePushNotification is a func i have written for all 3 cases in AppDelegate://MARK: – HAndle Push Notification Methods

extension AppDelegate{

func handlePush(userInfo : JSON){

handlePushNavigation(userInfo: userInfo )

func handlePushNavigation(userInfo : JSON){

let storybard = UIStoryboard(name: "Main", bundle: nil)

switch userInfo["type"].intValue {
case 1:
guard let VC = storybard.instantiateViewController(withIdentifier: "ChatViewController") as? ChatViewController else{return}

navigateToVc(vc: VC)




func navigateToVc(vc:UIViewController){



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