Welcome! This tutorial will help you display an arrow pointing toward the logo! Let's get started.
### ~
Using the **accelerometer** sensor, the micro:bit can detect when the **logo** is oriented **up**. We call that the **logo up** event. We will use `on logo up` to register an event handler that will run when the **logo up** event happens.
```blocks
input.onLogoUp(() => {
})
```
When the micro:bit goes logo up, the code nested under the `on logo up` function will run. Let's add a line of code to show LEDs in there.