                <pre class="highlight objective_c"><code><span class="k">@interface</span> <span class="nc">GCExtendedGamepad</span> <span class="p">(</span><span class="nl">SteamController</span><span class="p">)</span></code></pre>

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            <p>Extension to <code>GCExtendedGamepad</code> to support additional buttons in the Steam Controller.</p>

<p>For a non-steam controller, the additional buttons will return <code>nil</code>.</p>

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