我具有在onchildadded时触发并在android中向订阅用户发送通知的功能。但是我有用户UID将其存储到新引用。其实我想向用户发送有通知的UID，这可以吗？
export const onNotifTugas = functions.database.ref('/tugas_course/{course_id}/{tugas_id}')
.onCreate((snapshot, context) =>{
//////here i want to get the uid and store it//////
const course_id = context.params.course_id;
const tugas_id = context.params.tugas_id;
console.log(`New Message ${course_id} in ${tugas_id}`);
return admin.database().ref('/tugas/' + tugas_id +'/').once('value').then(snap => {
const tugasData = snap.val();
const notifDataSend = { // buat structure data json dgn nama const notifDataSend untul cloud messaging
data: {
data_type: "tugas",
title: "Anda mendapatkan notifikasi baru..", // data bebas (key, value)
body: `Tugas ${tugasData.nama_tugas} baru`, // chatId = const chatId
sound: "default"
}
};
console.log(`data yang dikirim `);
return admin.messaging().sendToTopic(course_id, notifDataSend)
.then(function(response) {
console.log("Successfully sent message:", response);
})
.catch(function(error) {
console.log("Error sending message:", error);
});
}).catch(error => {
console.log(error);
})
});