The Layer List widget provides a list of operational layers and their symbols, and allows you to turn individual layers on and off. Each layer in the list has a check box that allows you to control its visibility. Layers with expansion arrows contain sublayers or subtypes.
The order in which layers appear in this widget corresponds to the layer order in the map. This widget provides functionality allowing you to change the order of layers in the map.
Use the Layer List widget
1. Click the Layer List widget in your app to display the layer list or table of contents window.
2. Click the down arrow on the left side of a layer to display the Legend. Here you will see an individual layers symbols.
3. Click the ellipsis to the right of the layer to see the following options:
- Enable Pop-up/Remove Pop-up: Enables or disables the pop-up for the feature layer. If a feature layer does not have a pop-up configured in the map, clicking Enable Pop-up shows all field values for the feature layer
- Open attribute table: Opens the attribute table for the feature layer.
- Description/Show Item Details: Opens the service description or the item details page for the service or the item associated with the layer if available.
4. Click the Control all layers button 
to control the behavior of the layers in the list. You can turn the layers on or off and expand or collapse the layers. Alternatively, you can use keyboard shortcuts to do the same. Press Ctrl and click the layer check box to turn on or off the layers in the same level. Press Ctrl and click the arrow to expand or collapse layers in the same level.
5. Click the Search button 
to find layers.
6. Layers in the list are unavailable when zoomed out of their visible ranges.
67. Click the X close button to close the Layer List window.
