# SoftBank Robotics documentation What's new in NAOqi 2.8?

# ALChestButton

NAOqi Sensors & LEDs - Overview | API

## What it does

ALChestButton is responsible for raising events related to the robot chest button.

For further details, see section: ALChestButton list of events.

## How it works

ALChestButton retrieves data from ALMemory, processes it and raises events depending on the situation.

## Use Cases

Detect simple, double and triple click.

At simple click, the robot says his name, ip address and all waiting notifications.

At double click, the stiffness is removed.

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