# Switch

{% hint style="success" %}
**COPY/PASTE PARAMETERS**

New in GM 0.11! Right click on a behaviour or component to copy. Then open an object, add the same behaviour or component, and right click it to paste identical parameter settings.
{% endhint %}

{% hint style="info" %}
**NEW GAME MAKER 0.9 FEATURE**

Create new types of puzzles where two states of a message would be needed, such as a lever code.
{% endhint %}

<figure><img src="/files/HNN1HpuS7gNsLVatGkmU" alt=""><figcaption><p>Shown: The <strong>Switch</strong> component's states can trigger doors, platforms, VFX, and more. <br>To visualise states A and B, Animated Decoration behaviour displays a lever in on/off positions.</p></figcaption></figure>

{% hint style="info" %}
[Build Singleplayer & Multiplayer Logic](/en/creator/game-maker/docs/build-singleplayer-and-multiplayer-logic.md) - about <mark style="color:green;">**\[SP]**</mark> or <mark style="color:yellow;">**\[MP]**</mark> behaviours or components
{% endhint %}

## <img src="/files/xFdL7uKLguO6HTGWTjWK" alt="" data-size="line"> Switch  <mark style="color:green;">\[SP]</mark> <mark style="color:yellow;">\[MP]</mark>

When a state (A or B) is triggered, send a specified message.

## Common Uses

* Create logic for puzzles with two different types of messages
* Avoid using Door behaviour, which is only available in \[MP], to send messages to \[SP] and \[MP] objects depending on the state of the door (opened/closed).
* Communicating messages to the Rules system when an object's state is triggered.

## Communications

|                                                                 |                                                               |
| --------------------------------------------------------------- | ------------------------------------------------------------- |
| **Inputs:** One or more messages to trigger each state (A or B) | **Outputs:** One message out depending on the state triggered |


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