Please show me how it should look in Alice.

Lightbulb-- Create a world with a lightbulb (Lights) and a method turnOnOff that turns the lightbulb on/off depending on whether it is already on/off. When the lightbulb is on, its emissive color property has a value of yellow. When the lightbulb is off, its emissive color property has a value of black. Write a boolean function isLightOn that returns true if the light bulb is on and false if it is off. When clicked, the lightbulb should turn on/off. please show the code (on alice if possible)