CityGML Object display

I converted gltf building object from CityGML LOD3 using 3DCityDB engine exporter. I can visualized object properly. But I want to select and hide/unhide individual building objects like Wall, Roof, Doors, Windows etc. separately. kindly guide me.

If you upload your CityGML to Cesium ion, you’ll get a 3D Tileset where all the per-model properties are saved. This will allow you to style it with the 3D Tiles styling language to show hide those individual features like in this code example: