The current version doesn't seem to work?
sceneView.on('layerview-create', function (event) {
const mLayer = webScene.allLayers.filter((elem) => {
return elem.title === "TEST LAYER";
}).items[0];
const currentElevationInfo = {
mode: "absolute-height",
offset: 0,
featureExpressionInfo: {
expression: "Geometry($feature).z * 100"
},
unit: "meters"
};
mLayer.elevationInfo = currentElevationInfo;
}
});