# screen up and down challenges The on screen up function. **Challenge 0** Congratulations! You have completed the [Screen Up/Down tutorial](/hqjwkb) . You should have an image of a heart created and shown when the screen is moved up. ``` input.onScreenUp(() => { images.createImage(` # # . # # # # # # # # # # # # . # # # . . . # . . `).showImage(0) }) ``` **Challenge 1** Now have the @boardname@ do something when the screen is moved downward. You can do this by calling the on screen down method. Do not do anything when you call the on screen down method. ``` input.onScreenUp(() => { images.createImage(` # # . # # # # # # # # # # # # . # # # . . . # . . `).showImage(0) }) input.onScreenDown(() => { }) ``` **Challenge 2** When the @boardname@ is moved downward, create and show an image of an upside down heart. ``` input.onScreenUp(() => { images.createImage(` # # . # # # # # # # # # # # # . # # # . . . # . . `).showImage(0) }) input.onScreenDown(() => { images.createImage(` . . # . . . # # # . # # # # # # # # # # # # . # # `).showImage(0) // *** }) ```