How to create an array in firebase database in iOS swift

Question

How to create an Array in Firebase realtime database in iOS using swift

note : I want to be able to append new elements without getting array value first an add element locally then setting it to database .

Answer 1

use childByAutoId()

Database.database().reference().child("arrayKey").childByAutoId().setValue("Value") }

Answer 2

This should be achieved easily:

let ref = storageRef.child("your_child")
let array = ["First", "Second", "Third", "Fourth"]
ref.setValue(array)