{ "name": "is_selected", "type": "function", "description": "Returns if a feature is selected. If called with no parameters checks the current feature.", "arguments": [ {"arg":"feature","description":"The feature which should be checked for selection"}, {"arg":"layer","description":"The layer (or its id or name) on which the selection will be checked"} ], "examples": [ { "expression":"is_selected()", "returns" : "True if the current feature is selected."}, { "expression":"is_selected(get_feature('streets', 'name', \"street_name\"), 'streets')", "returns":"True if the current building's street is selected."} ] }