trivia-function.js

exports.sendToAllUsers = functions.https.onCall(async (snap, context)=>{
   
  const payload = {
    notification:{
       title : 'New Trivia'  ,
       body : 'A new Trivia is availble on the app, check now',
       badge : '1',
       sound : 'default'
    },
    data: {
        type: 'new-trivia',
        click_action: "FLUTTER_NOTIFICATION_CLICK",
        status: "done",
    }
}

return admin.firestore().collection('Tokens').get().then(tokensSnap=> {
    
  if (tokensSnap != null) {
    const results = [];
    tokensSnap.forEach(doc => {
        results.push(doc.data().token); 
    });

    console.log('sent to '+ results.length + ' users');

      return admin.messaging().sendToDevice(results,payload);
  } else {
      return console.log("=========there was an errror ==================");
  }
}).catch((error) => {
  return console.log(`Error ${error}`);
});
})