# Multi

{% 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 %}

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Ported for Multiplayer Compatibility (0.10)</strong></td><td>Spawn blocks (1x1x1 minimum) during single and multiplayer gameplay.</td><td><a href="/files/b7LWx5LKvyCtAZsd6Woh">/files/b7LWx5LKvyCtAZsd6Woh</a></td></tr></tbody></table>

## <img src="/files/MYaoqYyhkPi3kqNtFKyS" alt="" data-size="line"> Multi <mark style="color:yellow;">\[MP]</mark>

{% hint style="info" %}
In contrast to Multi adding blocks during gameplay, [Void](/en/creator/game-maker/docs/behaviours/modifiers/void.md) behaviour can remove blocks.
{% endhint %}

{% 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 %}

## Common Uses

* "Spawn" blocks as pathways or barriers
* Simplified modification of the terrain layout during gameplay

## Parameters

| Options                          | Details                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| -------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| ![](/files/svfsr8zx2OZowadiMyhG) | **Visible** - If set to <mark style="color:green;">**True**</mark>, the Object will be visible to players.                                                                                                                                                                                                                                                                                                                                      |
| ![](/files/Vji55mqAliZxu8y6zX9J) | <p><strong>Spawn Area</strong> - Defines the space which will be filled with the block selected in "Block to Spawn".<br><br>This parameter is visualised with a <mark style="color:green;"><strong>green</strong></mark> cube Gizmo that adjusts as you enter new <mark style="color:red;"><strong>X</strong></mark>, <mark style="color:green;"><strong>Y</strong></mark>, and <mark style="color:blue;"><strong>Z</strong></mark> values.</p> |
| ![](/files/c6JzSvonmYEk6niOs7IC) | **Block to Spawn** - Select a block from your library to spawn.                                                                                                                                                                                                                                                                                                                                                                                 |
| ![](/files/7A1NQLS0uf7VD5vxyV65) | <p><strong>Activation Mode</strong> - Determines how the behaviour will be activated.<br><br><em><mark style="color:green;">OnStart</mark></em> - The behaviour will spawn the blocks immediately when the game starts.<br><br><em><mark style="color:blue;">OnReceiveMessage</mark></em> - The behaviour will spawn the blocks upon receiving a message. You may specify which message from a drop-down menu.</p>                              |


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