ef parameter-def">
				
					<tr>
						<th scope="row" class="argument-name"><code>params</code></th>
						<td><p>The function&rsquo;s input parameters.</p></td>
					</tr>
				
				</table>
			</div>
			

			
			<div class="method-subsection return">
				<h4 class="method-subtitle parameter-title">Return Value</h4>
				<p>If the Objective-C class referenced in the <em>class</em> expression
            responds to the selector specified in the <em>selector</em> expression,
            the return value wil