---
layout: stdlib-reference
---

# attribute [DllImport]

> #### 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 as imported from a DLL. Valid only on CPU host targets.


## Signature

<pre>
[<a href="dllimport-03.html">DllImport</a>(<a href="dllimport-03.html#decl-modulePath" class="code_param">modulePath</a> : <a href="../types/string-0/index.html" class="code_type">String</a>)]
</pre>

## Parameters

####  <a id="decl-modulePath"></a>modulePath  : [String](../types/string-0/index.html)