m-suffix">required method</span></h3>

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

		<div class="method-info-container">
			
			
			<div class="method-subsection brief-description">
				<p>Returns the card in the current card system that matches the given key.</p>
			</div>
			
		    

			<div class="method-subsection method-declaration"><code>- (nullable BTNCard *)cardForKey:(id&lt;NSObject&gt;)<em>key</em></code></div>

		    
			
			<div class="method-subsection arguments-section param