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layout: stdlib-reference
---

# attribute [Shader]

## Description

Marks a function as a shader entry point.

## Signature

<pre>
[<a href="shader-0.html">Shader</a>(<a href="shader-0.html#decl-stage" class="code_param">stage</a>)]
</pre>

## Parameters

####  <a id="decl-stage"></a>stage
The stage of the shader. Must be one of "vertex", "fragment", "compute", "geometry", "hull", "domain", "raygeneration",