# Reference

```namespaces
basic.showNumber(0);
input.onButtonPressed(Button.A, () => {
    
});
music.playTone(0, 0);
led.plot(0, 0);
radio.sendNumber(0);
game.addScore(1);
images.createImage(`
. . . . .
. . . . .
. . # . .
. . . . .
. . . . .
`);
pins.digitalReadPin(DigitalPin.P0);
serial.writeNumber(0);
control.inBackground(() => {
    
});
```

## Advanced

```namespaces
devices.tellCameraTo(MesCameraEvent.TakePhoto);
bluetooth.onBluetoothConnected(() => {});
```

```package
microbit-devices
microbit-bluetooth
```