code><span class="k">-</span> <span class="p">(</span><span class="n">nonnull</span> <span class="n">instancetype</span><span class="p">)</span><span class="nf">initWithHandler</span><span class="p">:</span>
    <span class="p">(</span><span class="n">nullable</span> <span class="n"><a href="../Type%20Definitions.html#/c:SDLNotificationConstants.h@T@SDLRPCButtonNotificationHandler">SDLRPCButtonNotificationHandler</a></span><span class="p">)</span><span class="nv">handler</span><span class="p">;</span></code