Search nearby users in cloud functions - function

Question

I have 2 firestore collections - users/{user}/clients and users/{user}/pros. If a new client registers and a new document is created, I want to search collection pros for professionals working in the matching field and living within 5 km (of the new client), send notification to the pros filtered, and redirect them to a new page that shows the new client's details. In order to implement that in cloud functions,
I installed geofirestore and wrote code like this;
exports.sendNotification = functions.firestore
.document("users/{user}/clients/{client}")
.onCreate(async snapshot => {
try {
const clientfield = snapshot.data().field;
const clientaddress = snapshot.data().address;
const clientgeopoint = snapshot.data().g.geopoint;
const geocollection = geofirestore.collection('users/{user}/pros');
const query = geocollection.near({center: clientgeopoint, radius: 5}).where('sector', '==', clientsector);
const tokenArray = [];
query.get().then(querySnapshot => {
querySnapshot.forEach(doc => {
let token = doc.data().fcmToken
tokenArray.push(token);
})
}).catch ((error) => console.log(error));
const message = {
"notification": {
title: 'blah',
body: 'blah'
},
}
return await admin.messaging().sendToDevice(tokenArray, message);
} catch (error) {
console.log(error)
}
})
Notification part works now, but I still have this problem of redirecting to a page that shows a new client's request details for the pros to see when they click and open the app. How can I redirect users to a page when they click the notification and open the app? I appreciate any help.

Answer 1

I posted a new question about redirecting to a page on notification click, and got the answer there. Please refer to here -> how to redirect users to a page on notification click