title="key"></a>
	<h3 class="method-title"><code><a href="#//api/name/key">&nbsp;&nbsp;key</a></code>
</h3>

	<div class="method-info">
		<div class="pointy-thing"></div>

		<div class="method-info-container">
			
			
			<div class="method-subsection brief-description">
				<p>An object that implements the isEqual: method of the NSObject protocol.
This can be used to identify a card, and is meant to be unique.</p>
			</div>
			
		    

			<div class="method-subsection method-declaration"><code>@property (no