swift - cannot invoke initializer (ARKit) -

trying follow tutorial here https://www.youtube.com/watch?v=tgpv_crf2ha&feature=youtu.be&t=272

but getting following compile error on line

let cubenode = scnnode(geometry:...

cannot invoke initializer type 'scnbox' argument list of type '(width: double, height: double, chamferradius: int)'

import uikit import arkit import scenekit   class viewcontroller: uiviewcontroller {      @iboutlet weak var sceneview: arscnview!     override func viewdidload() {         super.viewdidload()         // additional setup after loading view, typically nib.          let configuration = arworldtrackingsessionconfiguration()         configuration.planedetection = .horizontal         sceneview.session.run(configuration)     }     @ibaction func addcube(_ sender: any) {         let cubenode = scnnode(geometry: scnbox(width:0.1, height:0.1, chamferradius:0))         cubenode.position = scnvector3(0,0,-0.2)//this in metres         sceneview.scene.rootnode.addchildnode(cubenode)     }      @ibaction func addcup(_ sender: any) {     }      override func didreceivememorywarning() {         super.didreceivememorywarning()         // dispose of resources can recreated.     } } 

according apple documentation, constructor scnbox object has 4 parameters:

init(width: cgfloat, height: cgfloat, length: cgfloat, chamferradius: cgfloat) 

so need add lenght parameter constructor, see api reference:

https://developer.apple.com/documentation/scenekit/scnbox

perhaps better approach make constant of object before using in constructor scnnode , use intellisense:

let box = scnbox(width:0.1, height:0.1,lenght: 0.1, chamferradius:0)  let cubenode = scnnode(geometry: box)