I want download sound from url and play it once:
let sound = SKAudioNode(url:URL(string:\"http://www.music.helsinki.fi/tmt/opetus/uusmedia/esim/a20020110
I think that the URL needed os the URL for the resource that you must have in your app bundle. Put the mp3 file in your project and then do this-
let urlpath = Bundle.main.path(forResource: "[name of file]", ofType: "mp3")
let audioURL = NSURL.fileURL(withPath: urlpath!)
let sound = SKAudioNode(url: audioURL)
sound.run(SKAction.play())