firebase update function code example

Example 1: firebase update cloud function

firebase deploy --only functions:functionNameHere

Example 2: javascript write to firebase

function writeUserData(userId, name, email, imageUrl) {
  firebase.database().ref('users/' + userId).set({
    username: name,
    email: email,
    profile_picture : imageUrl
  });
}

Example 3: firebase update data

await firebase.database().ref().update(updates);