NarKampen/Assets/Scripts/NewGameScene/FirebaseStart.cs

using System.Collections;
using System.Collections.Generic;
using Firebase;
using Firebase.Analytics;
using UnityEngine;

public class FirebaseStart : MonoBehaviour
{

    public static string MyToken;
    private FirebaseApp app;

    // Start is called before the first frame update
    void Start()
    {
        Firebase.FirebaseApp.CheckAndFixDependenciesAsync().ContinueWith(task => {
        var dependencyStatus = task.Result;
        FirebaseAnalytics.SetAnalyticsCollectionEnabled(true);
        if (dependencyStatus == Firebase.DependencyStatus.Available) {
            // Create and hold a reference to your FirebaseApp,
            // where app is a Firebase.FirebaseApp property of your application class.
            app = Firebase.FirebaseApp.DefaultInstance;

            // Set a flag here to indicate whether Firebase is ready to use by your app.
        } else {
            UnityEngine.Debug.LogError(System.String.Format(
            "Could not resolve all Firebase dependencies: {0}", dependencyStatus));
            // Firebase Unity SDK is not safe to use here.
        }
        });
        Firebase.Messaging.FirebaseMessaging.TokenReceived += OnTokenReceived;
        Firebase.Messaging.FirebaseMessaging.MessageReceived += OnMessageReceived; 
    }

    public void OnTokenReceived(object sender, Firebase.Messaging.TokenReceivedEventArgs token) {
        MyToken = token.Token;
        Debug.Log("Received Registration token: " + token.Token);
    }

    public void OnMessageReceived(object sender, Firebase.Messaging.MessageReceivedEventArgs e) {
        Debug.Log("Received New message from: " + e.Message.From);
    }

}