MeasurementViewModel

// To create the Measurement widget with SceneView's linear measurement widget active.
let measurement = new Measurement({
  viewModel: {
    view: view,
    activeTool: "direct-line"
  }
});

// Print the active view model to the console.
let measurement = new Measurement({
  viewModel: {
    areaUnit: "square-us-feet",
    view: view,
    activeTool: "area"
  }
});
console.log("Active ViewModel: ", measurement.viewModel.activeViewModel);

// To create the Measurement widget that displays area in square US feet
let measurement = new Measurement({
  viewModel: {
    areaUnit: "square-us-feet",
    view: view,
    activeTool: "area"
  }
});

// To display the current measurement unit for area
console.log("Current unit: ", measurement.viewModel.areaUnit);

// To create the Measurement widget that displays distance in yards
let measurement = new Measurement({
  viewModel: {
    linearUnit: "yards",
    view: view,
    activeTool: "distance"
  }
});

// To display the current measurement unit for distance
console.log('Current unit: ', measurement.viewModel.linearUnit);

// To display the state of the AreaMeasurement2D widget
let measurement = new Measurement({
  view: view,
  activeTool: "area"
});
reactiveUtils.watch(
  () => measurement.viewModel.state,
  (state) => console.log("Current state: ", state)
);

// Add the measurement widget to the upper right hand corner.
const measurement = new Measurement({
  viewModel: {
    view: view,
    activeTool = "distance";
  }
});
view.ui.add(measurement, "top-right");