FeatureTemplates

// Filter and display templates only if their labels contain the word `Street`
function myFilterFunction(filter) {
  let containsName = filter.label.includes("Street");
  return containsName;
}

// Create the FeatureTemplates widget
templates = new FeatureTemplates({
  container: "templatesDiv",
  visibleElements: {
    filter: false, // disable the default filter UI
  }
  layers: [featureLayer], // in this example, one layer is used
  filterFunction: myFilterFunction
});

// This example shows using a function to check if
// the layer title contains the word 'military'. If so,
// return a group of items called "All Military Templates"
function customGroup(grouping) {
  // Consolidate all military layers
  if (grouping.layer.title.toLowerCase().indexOf("military") > -1) {
    return "All Military Templates"
  }
// Otherwise, group by layer title
  return grouping.layer.title;
}

// Create the FeatureTemplates widget
templates = new FeatureTemplates({
  container: "templatesDiv",
  layers: layers,
  groupBy: customGroup
});

// Group template items by layers.
// This function is as same as setting
// the groupBy property to "layer" option.
function groupByLayer (grouping) {
  const group = {
    key: grouping.layer,
    name: grouping.layer.title
  };
  return group;
}

// Create the FeatureTemplates widget
const templates = new FeatureTemplates({
  container: "templatesDiv",
  layers: layers,
  groupBy: groupByLayer
});

// Listen for when a template item is selected
templates.on("select", function(evtTemplate) {
  // Access the selected template item's attributes
  attributes = evtTemplate.template.prototype.attributes;

  // Create a new feature with the selected template at cursor location
  const handler = view.on("click", function(event) {
    handler.remove(); // remove click event handler.
    event.stopPropagation(); // Stop click event propagation

    if (event.mapPoint) {
      // Create a new feature with the selected template item.
      editFeature = new Graphic({
        geometry: event.mapPoint,
          attributes: {
            "IncidentType": attributes.IncidentType
          }
      });

      // Setup the applyEdits parameter with adds.
      const edits = {
        addFeatures: [editFeature]
      };
      featureLayer.applyEdits(params).then(function(editsResult) {
        if (editsResult.addFeatureResults.length > 0) {
          console.log("Created a new feature.")
        }
      });
    }
  });
});