In Experience Builder, there are two ways to get map layer controls and a legend in your map. The first option is to flip on the Layers Tool in the Map Widget. This will give you an icon on your map that when clicked contains a list of map layers and a legend in a tabbed view. It's super easy, looks ok, and has zero customization options. You can't even decide where to put it. It'll just dance around the map however Experience Builder feels like putting it. The other option is to use the separate Map Layers and Legend
