eference outputs from other nodes:</p>
<div class="codehilite"><pre><span></span><code><span class="nt">params</span><span class="p">:</span>
<span class="w">  </span><span class="nt">input_data</span><span class="p">:</span><span class="w"> </span><span class="s">&#39;{{</span><span class="nv"> </span><span class="s">previous_node.output_name</span><span class="nv"> </span><span class="s">}}&#39;</span>
</code></pre></div>

<hr />
<h2 id="2-functions-and-schemas">2. Functions and Schemas<a class="headerlin