How can i pick the model in scene if opaquePass is 9?

CesiumJS
#1

there is code:
let model = viewer.scene.primitives.add(Cesium.Model.fromGltf({

            id: id,

            url: modelUrl,

            modelMatrix: modelMatrix,

            scale: 1000, 

            show:false,

            opaquePass:9, 

        }));