Try again and it still doesn't work: import SwiftUI import RealityKit import ARKit import AVFoundation struct ContentView : View { var body: some View { ARViewContainer().edgesIgnoringSafeArea(.all) } } struct ARViewContainer: UIViewRepresentable { let arView = ARView(frame: .zero) func makeUIView(context: Context) -> ARView { arView.session.delegate = context.coordinator let worldConfig = ARWorldTrackingConfiguration() worldConfig.planeDetection = .horizontal worldConfig.providesAudioData = true arView.session.run(worldConfig) arView.tapGestureRecognizer() return arView } func updateUIView(_ uiView: ARView, context: Context) {} func makeCoordinator() -> Coordinator { Coordinator( ) } class Coordinator: NSObject, ARSessionDelegate, ARSessionObserver { func session(_ session: ARSession, didOutputAudioSampleBuffer audioSampleBuffer: CMSampleBuffer) { } func session(_ session: ARSession, didAdd anchors: [ARAnchor]) { } } } func addTestEntity(arView: ARView) { let mesh = MeshResource.generatePlane(width: 0.1, height: 0.13) guard let url = Bundle.main.url(forResource: "videoplayback", withExtension: "mp4") else { return } let player = AVPlayer(url: url) let videoMaterial = VideoMaterial(avPlayer: player) let model = ModelEntity(mesh: mesh, materials: [videoMaterial]) model.name = "NewModel" model.transform.translation.y = 0.05 let anchor = AnchorEntity(.plane(.horizontal, classification: .any, minimumBounds: SIMD2<Float>(0.2, 0.2))) anchor.children.append(model) arView.scene.anchors.append(anchor) } extension ARView { func tapGestureRecognizer() { let tap = UITapGestureRecognizer(target: self, action: #selector(handleTap(_ :))) tap.numberOfTapsRequired = 1 self.addGestureRecognizer(tap) } @objc func handleTap(_ gesture: UITapGestureRecognizer) { addTestEntity(arView: self) guard let entity = scene.findEntity(named: "NewModel") else { return } if let modelEntity = entity as? ModelEntity { modelEntity.model?.materials.forEach { value in if let videoMaterial = value as? VideoMaterial { videoMaterial.avPlayer?.play() print("video___play") } } } } }