SOURCE

require([
    "esri/widgets/Sketch",
    "esri/widgets/Sketch/SketchViewModel",
    "esri/Map",
    "esri/layers/GraphicsLayer",
    "esri/views/SceneView"
], (SketchViewModel, Sketch, Map, GraphicsLayer, SceneView) => {
    const graphicsLayer = new GraphicsLayer();

    const map = new Map({
        basemap: "topo-vector",
        layers: [graphicsLayer]
    });

    const view = new SceneView({
        container: "viewDiv",
        map: map,
        zoom: 5,
        center: [90, 45]
    });

    view.when(() => {
        const sketch = new Sketch({
            layer: graphicsLayer,
            view: view,
            viewModel: new SketchViewModel({
                polylineSymbol: {}
            })
        });

        view.ui.add(sketch, "top-right");
    });
});

<div id="viewDiv"></div>

html,
body,
#viewDiv {
    padding: 0;
    margin: 0;
    height: 100%;
    width: 100%;
}