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layout: stdlib-reference
---

# attribute [CudaKernel]

> #### Experimental Feature
> The feature described in this page is marked as experimental, and may be subject to change in future releases.
> Users are advised that any code that depend on this feature may not be compilable by future versions of the compiler.

## Description

Mark a function for export as a CUDA kernel function. Valid only on CUDA target.


## Signature

<pre>
[<a href="cudakernel-04.html">CudaKernel</a>]
</pre>