diff --git a/server/WebSocket/controllers/GPS_EventsController.js b/server/WebSocket/controllers/GPS_EventsController.js
new file mode 100644
index 0000000..3ec7a1b
--- /dev/null
+++ b/server/WebSocket/controllers/GPS_EventsController.js
@@ -0,0 +1,19 @@
+const Notification = require('../../models/GPS.Notif')
+
+
+module.exports.notifyGPS = async (type, gps_id) => {
+  try {
+    const io = global._io
+    const gps = io.of('/gps')
+    const data = { type }
+
+    if (type === 'updateGPSInbox') {
+      const gpsInbox = await Notification.find({ userID:gps_id, seen: false }).sort({updated_at: -1})
+      data.gpsInbox = gpsInbox
+    }
+
+    gps.to(gps_id.toString()).emit(`GPS:notify`, data)
+  } catch (e) {
+    console.log(e)
+  }
+}
\ No newline at end of file
diff --git a/server/WebSocket/middlewares/ws_authentication.js b/server/WebSocket/middlewares/ws_authentication.js
index dad95ea..9737675 100644
--- a/server/WebSocket/middlewares/ws_authentication.js
+++ b/server/WebSocket/middlewares/ws_authentication.js
@@ -1,5 +1,6 @@
 const jwt = require('jsonwebtoken')
 const User = require('../../models/User')
+const UserGPS = require('../../models/GPS.User')
 const authentication = require('../../authentication')
 
 module.exports.isAdmin = async (socket, next) => {
@@ -65,3 +66,23 @@ module.exports.isAgent = async (socket, next) => {
     next(new Error(e))
   }
 }
+
+module.exports.isGPS = async (socket, next) => {
+  try {
+    const token = socket.handshake?.auth?.token
+    if (!token) throw new Error('unauthenticated')
+
+    // verifies secret and checks if the token is expired
+    const decodedToken = await jwt.verify(token.replace(/^Bearer\s/, ''), authentication.secretKey)
+    if (!decodedToken) throw new Error('unauthorized')
+
+    // find user
+    const user = await UserGPS.findById(decodedToken._id)
+    if (!user || !user.active) throw new Error('unauthorized')
+
+    socket.userId = decodedToken._id.toString()
+    return next()
+  } catch (e) {
+    next(new Error(e))
+  }
+}
diff --git a/server/WebSocket/namespaces/GPS_NameSpace.js b/server/WebSocket/namespaces/GPS_NameSpace.js
new file mode 100644
index 0000000..8c10de2
--- /dev/null
+++ b/server/WebSocket/namespaces/GPS_NameSpace.js
@@ -0,0 +1,25 @@
+const { isGPS } = require('../middlewares/ws_authentication')
+const gpsEventsController = require('../controllers/GPS_EventsController')
+
+module.exports.gpsNamespace = () => {
+  const io = global._io
+  const gps = io.of('/gps')
+
+  // gpss middlewares
+  gps.use(isGPS)
+
+  // attach events
+  gps.on('connection', socket => {
+    socket.join(socket.gpsId)
+    gpsEventsController.getAllNotifs(socket)
+
+    /// /////////////////////////////////////////////////////// handle connection error
+    socket.on('connect_error', err => {
+      console.log(err.message)
+    })
+
+    /// ////////////////////////////////////////////////////// events
+    socket.on('gps:fetchAnnouncements', data => gpsEventsController.fetchAnnouncements(socket))
+    socket.on('gps:updateAnnouncement', data => gpsEventsController.updateAnnouncement(socket, data))
+  })
+}
diff --git a/server/WebSocket/wss.js b/server/WebSocket/wss.js
index 35aed73..00cb545 100644
--- a/server/WebSocket/wss.js
+++ b/server/WebSocket/wss.js
@@ -4,6 +4,7 @@ function init(server) {
   const { userNamespace } = require('./namespaces/user_NameSpace')
   const { agentNamespace } = require('./namespaces/agent_NameSpace')
   const { adminNamespace } = require('./namespaces/admin_NameSpace')
+  const { gpsNamespace } = require('./namespaces/GPS_NameSpace')
   const { Server } = require('socket.io')
   const socketIO = require('socket.io')
 
@@ -18,6 +19,7 @@ function init(server) {
   userNamespace()
   agentNamespace()
   adminNamespace()
+  gpsNamespace()
 }
 
 module.exports = init
diff --git a/server/controllers/GPS.Auth.js b/server/controllers/GPS.Auth.js
index c8bbf0b..b553951 100644
--- a/server/controllers/GPS.Auth.js
+++ b/server/controllers/GPS.Auth.js
@@ -7,6 +7,8 @@ const { checkValidations } = require('../plugins/controllersHelperFunctions')
 const UserGPS = require('../models/GPS.User')
 const { generateRandomDigits
 } = require('../plugins/controllersHelperFunctions')
+const Notification = require('../models/GPS.Notif')
+
 module.exports.login_with_pass = [
   [
     body('username')
@@ -55,6 +57,10 @@ module.exports.login_with_pass = [
       })
       user.token = token
       await user.save()
+      await Notification.create({
+        userID:user._id,
+        content:"test"
+      })
       return res.status(200).json({ token })
     } catch (err) {
       return res.status(422).json({
@@ -90,6 +96,10 @@ module.exports.login_with_otp = [
         })
         user.otp = generateRandomDigits(6)
         user.save()
+        await Notification.create({
+          userID:user._id,
+          content:"test"
+        })
         return res.status(200).json({ token })
 
       }
diff --git a/server/controllers/GPS.Notif.js b/server/controllers/GPS.Notif.js
new file mode 100644
index 0000000..07216b6
--- /dev/null
+++ b/server/controllers/GPS.Notif.js
@@ -0,0 +1,30 @@
+const { param, validationResult } = require('express-validator')
+const { _sr } = require('../plugins/serverResponses')
+const { checkValidations } = require('../plugins/controllersHelperFunctions')
+const Notification = require('../models/GPS.Notif')
+
+
+module.exports.setSeen = [
+    [
+        param('id').notEmpty().isMongoId().withMessage('ایدی را وارد یا تصحیح کنید')
+    ],
+    checkValidations(validationResult),
+    async (req, res) => {
+        const notif = await Notification.findById(req.params.id)
+        if (!notif || notif.userID !== req.userID) {
+            res.status(404).json({ msg: _sr.fa.not_found.item_id })
+        } else {
+            notif.read = true;
+            notif.save()
+        }
+    }
+]
+
+module.exports.setSeenAll = [
+    async (req, res) => {
+        await Notification.updateMany(
+            { userID: req.userID },
+            { seen: true }
+        )
+    }
+]
\ No newline at end of file
diff --git a/server/models/GPS.Notif.js b/server/models/GPS.Notif.js
new file mode 100644
index 0000000..02eaa46
--- /dev/null
+++ b/server/models/GPS.Notif.js
@@ -0,0 +1,17 @@
+const mongoose = require("mongoose");
+
+const notificationSchema = new mongoose.Schema(
+    {
+        userID: {
+            type: String,
+            ref: 'UserGPS'
+        },
+        content: String,
+        read: {
+            type: Boolean,
+            default: false,
+        },
+    }
+);
+
+module.exports = mongoose.model("Notification", notificationSchema);
diff --git a/server/routes/gps.js b/server/routes/gps.js
index 62dcf76..0cc7cf5 100644
--- a/server/routes/gps.js
+++ b/server/routes/gps.js
@@ -8,6 +8,12 @@ const award = require('../controllers/GPS.Award')
 const awardRequest = require('../controllers/GPS.AwardRequest')
 const overview = require('../controllers/GPS.Overview')
 const userGPS = require('../controllers/GPS.User')
+const notif = require('../controllers/GPS.Notif')
+
+/// /////////////// Notification
+router.get('/notif/:id', notif.setSeen)
+router.get('/notif', notif.setSeenAll)
+
 
 /// /////////////// User
 router.get('/user/me', userGPS.getCurrent)