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This sample shows how to highlight features in a layer. Features in SceneLayer, FeatureLayer, CSVLayer, GeoRSSLayer and GraphicsLayer can be highlighted.

To highlight a feature, call the highlight method of the feature's corresponding layerView with the feature or its objectID as parameter. When passing features as parameters, they need to have an objectID.

view.whenLayerView(layer).then(function(layerView) {
  // if a feature is already highlighted, then remove the highlight
  if (highlightSelect) {

  // set the highlight on the first feature returned by the query
  highlightSelect = layerView.highlight(feature);

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