diff --git a/angular.json b/angular.json
index 2c0022e..52918ca 100644
--- a/angular.json
+++ b/angular.json
@@ -28,7 +28,7 @@
               "src/favicon.ico",
               "src/assets",
               "src/manifest.webmanifest",
-              "src/assets/firebase-messaging-sw.js"
+              "src/firebase-messaging-sw.js"
             ],
             "styles": [
               "node_modules/primeng/resources/themes/bootstrap4-light-blue/theme.css",
diff --git a/src/app/app.module.ts b/src/app/app.module.ts
index 8b86f59..b1e15c8 100644
--- a/src/app/app.module.ts
+++ b/src/app/app.module.ts
@@ -31,6 +31,7 @@ import { RefSystemComponent } from './pages/account/ref-system/ref-system.compon
 import { QRCodeModule } from 'angularx-qrcode';
 import { ShareButtonsModule   } from 'ngx-sharebuttons/buttons';
 import { ShareIconsModule } from 'ngx-sharebuttons/icons';
+import { MessagingService } from './services/messaging.service';
 
 @NgModule({
   declarations: [
@@ -79,7 +80,7 @@ import { ShareIconsModule } from 'ngx-sharebuttons/icons';
     }),
     ShareIconsModule
   ],
-  providers: [DialogService, MessageService, ],
+  providers: [DialogService, MessageService, MessagingService ],
   bootstrap: [AppComponent]
 })
 export class AppModule { }
diff --git a/src/app/pages/main/main.component.ts b/src/app/pages/main/main.component.ts
index 44c00f0..a2ba62c 100644
--- a/src/app/pages/main/main.component.ts
+++ b/src/app/pages/main/main.component.ts
@@ -4,6 +4,7 @@ import { ActivatedRoute } from "@angular/router";
 import { CardComponent } from "src/app/components/card/card.component";
 import { AccountComponent } from "../account/account.component";
 import {MessageService} from 'primeng/api';
+import { MessagingService } from "src/app/services/messaging.service";
 
 
 @Component({
@@ -17,7 +18,8 @@ export class MainComponent implements OnInit {
   public messagingToken!: string | null;
   public deferredPrompt: any;
   public isPermissionNotifications: boolean = false;
-  public token = ''
+  public token = '';
+  public message: any;
 
   constructor(
       private route: ActivatedRoute,
@@ -25,7 +27,8 @@ export class MainComponent implements OnInit {
       private afMessaging: AngularFireMessaging,
       public el: ElementRef,
       public renderer: Renderer2,
-      private messageService: MessageService
+      private messageService: MessageService,
+      private messagingService: MessagingService
   ) {
     renderer.listen('window', 'appinstalled', (evt) => {
       console.log('INSTALLED!!!')
@@ -61,34 +64,39 @@ export class MainComponent implements OnInit {
   }
 
   requestPermission() {
-    if (!('serviceWorker' in navigator)) { 
-      this.messageService.add({severity:'error', summary:'Не поддерживается в Вашем браузере!'});
-      return; 
-    }
+    // if (!('serviceWorker' in navigator)) { 
+    //   this.messageService.add({severity:'error', summary:'Не поддерживается в Вашем браузере!'});
+    //   return; 
+    // }
     
-    if (!('PushManager' in window)) { 
-      // Браузер не поддерживает push-уведомления.
-      this.messageService.add({severity:'error', summary:'Не поддерживается в Вашем браузере!'});
-      return; 
-    }
-    this.afMessaging.requestPermission.subscribe({
-      next: () => {
-        console.log('Permission granted! Save to the server!')
-      },
-      error: e => console.error(e)
-    })
+    // if (!('PushManager' in window)) { 
+    //   // Браузер не поддерживает push-уведомления.
+    //   this.messageService.add({severity:'error', summary:'Не поддерживается в Вашем браузере!'});
+    //   return; 
+    // }
+    // this.afMessaging.requestPermission.subscribe({
+    //   next: () => {
+    //     console.log('Permission granted! Save to the server!')
+    //   },
+    //   error: e => console.error(e)
+    // })
 
-    this.afMessaging.requestToken.subscribe({
-      next: (token) => {
-        this.messagingToken = token;
-        if (this.messagingToken) {
-          this.messageService.add({severity:'success', summary:'Спасибо за подписку!'});
-          this.isPermissionNotifications = true;
-        }
-        console.log(token)
-      },
-      error: e => console.error(e)
-    })
+    // this.afMessaging.requestToken.subscribe({
+    //   next: (token) => {
+    //     this.messagingToken = token;
+    //     if (this.messagingToken) {
+    //       this.messageService.add({severity:'success', summary:'Спасибо за подписку!'});
+    //       this.isPermissionNotifications = true;
+    //     }
+    //     console.log(token)
+    //   },
+    //   error: e => console.error(e)
+    // })
+
+    const userId = 'user001';
+    this.messagingService.requestPermission(userId)
+    this.messagingService.receiveMessage()
+    this.message = this.messagingService.currentMessage
     
   }
   // test function
diff --git a/src/app/services/messaging.service.ts b/src/app/services/messaging.service.ts
index e69de29..87ea83d 100644
--- a/src/app/services/messaging.service.ts
+++ b/src/app/services/messaging.service.ts
@@ -0,0 +1,69 @@
+import { Injectable } from '@angular/core';
+// import { AngularFireDatabase } from '@angular/fire/database';
+// import { AngularFireAuth } from '@angular/fire/auth';
+import { AngularFireMessaging } from '@angular/fire/compat/messaging';
+import { BehaviorSubject } from 'rxjs';
+
+@Injectable()
+export class MessagingService {
+  currentMessage = new BehaviorSubject(null);
+
+  constructor(
+    // private angularFireDB: AngularFireDatabase,
+    // private angularFireAuth: AngularFireAuth,
+    private angularFireMessaging: AngularFireMessaging
+  ) {
+    this.angularFireMessaging.messages.subscribe((_messaging: any) => {
+      _messaging.onMessage = _messaging.onMessage.bind(_messaging);
+      _messaging.onTokenRefresh = _messaging.onTokenRefresh.bind(_messaging);
+    });
+  }
+
+  /**
+   * update token in firebase database
+   *
+   * @param userId userId as a key
+   * @param token token as a value
+   */
+
+  //   ОБНОВИТЬ/ДОБАВИТЬ ТОКЕН В БД
+
+  //   updateToken(userId, token) {
+  //     // we can change this function to request our backend service
+  //     this.angularFireAuth.authState.pipe(take(1)).subscribe(
+  //       () => {
+  //         const data = {};
+  //         data[userId] = token
+  //         this.angularFireDB.object('fcmTokens/').update(data)
+  //       })
+  //   }
+
+  /**
+   * request permission for notification from firebase cloud messaging
+   *
+   * @param userId userId
+   */
+  requestPermission(userId: string) {
+    this.angularFireMessaging.requestToken.subscribe({
+      next: (token) => {
+        //   this.messagingToken = token;
+        //   if (this.messagingToken) {
+        //     this.messageService.add({severity:'success', summary:'Спасибо за подписку!'});
+        //     this.isPermissionNotifications = true;
+        //   }
+        console.log(token);
+      },
+      error: (e) => console.error(e),
+    });
+  }
+
+  /**
+   * hook method when new notification received in foreground
+   */
+  receiveMessage() {
+    this.angularFireMessaging.messages.subscribe((payload: any) => {
+      console.log('new message received. ', payload);
+      this.currentMessage.next(payload);
+    });
+  }
+}