code: function defProperty(sceneDrawGroup, layer, ccssName, tangramName) {
      const defaultValue = getReferenceDefault(ccssName);
      const shaderValue = layer.shader[ccssName];
      var value;
      if (shaderValue === undefined) {
          if (ccssName.indexOf('dash') >= 0) {
              return;
          }
          value = translateValue(sceneDrawGroup, ccssName, defaultValue);
      } else if (!shaderValue.filtered && shaderValue.constant) {
          value = translateValue(sceneDrawGroup, ccssName, getLiteralFromShaderValue(shaderValue));
      } else {
          if (!referenceCSS[ccssName].expression) {
              throw new Error(`Unsupported CartoCSS: expression-controlled ${ccssName}`);
          }
          value = getFunctionFromDefaultAndShaderValue(sceneDrawGroup, ccssName, defaultValue, shaderValue);
      }
      setSceneProperty(sceneDrawGroup, tangramName, value);
  }
docs: Define a scene draw style property originally contained in layer, named ccssName (in referenceCSS), with the related tangramName