Geojson layer style setting by colors based on a layer attribute

I have a layer in geojson format, and I need to set the rendering style by color based on an attribute of the layer called type, but I am totally new to Cesium topic, can someone help me

This is the file

Hi @Jorge.RA - have you seen our GeoJSON Sandcastle? It sounds like the “custom styling” option there is what you’re looking for.