A common use case is to load textual and graphical information of your project onto Map Layers. These Layers are generally identified in a legend on the map. You can make it easier for the user to access this information by enabling the legend item to also be clickable.
To enable the clickable option on a layer open up the Map Editor
Select the Layer you would like to display in the legend
Show Layer in Legendoption
Legend Action Triggeroption