class="token punctuation">(</span><span class="token punctuation">{</span>
  <span class="token function">model</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token constant">RSVP</span><span class="token punctuation">.</span><span class="token function">hash</span><span class="token punctuation">(</span><span class="token punctuation">{</span>
      <span class="token 