# FAQ: Learn Phaser: Cameras and Effects - Levels

This community-built FAQ covers the “Levels” exercise from the lesson “Learn Phaser: Cameras and Effects”.

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This exercise can be found in the following Codecademy content:

## FAQs on the exercise Levels

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Hi,

In part 2 of this exercise we are asked to create a new class:

// Create a Level1 class that inherits from Level
class Level1 extends Level {
constructor(){
super(‘Level1’);
this.heights = ;
}
}

I don’t understand the purpose of the super(‘Level1’);
‘Level1’, as far as I know, is not a property of the Level class.
Equally, in the Level class constructor:

class Level extends Phaser.Scene {
constructor() {
super(‘Level’)
this.heights = [4, 5]
}
There is a super(‘Level’) call that I don’t understand.
Maybe I missed something in the explanation of super() use, but I don’t understand how this works or what it does. Thanks!

edit: After a bit of googling, I think it might have something to do with calling super() being necessary to redefine the ‘this’ call. And I guess that calling super(‘Level1’) might redefine this to refer to the ‘Level1’ class?

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