@Override
		public void buttonPressed(ProgramLocation location, FieldLocation fieldLocation,
				ListingField field, MouseEvent event) {
			highlighter.buttonPressed(location, fieldLocation, field, event);
		}
Will broadcast the given vertex location to the external system

@param location the location coming from the vertex
Ghidra/Features/FunctionGraph/src/main/java/ghidra/app/plugin/core/functiongraph/mvc/FGController.java