"l l-Scalar l-Scalar-Plain">node_type</span><span class="w"> </span><span class="c1"># can be either &#39;function_call&#39;,&#39;llm_service&#39; of &#39;yml_flow&#39;</span>
<span class="w">    </span><span class="nt">params</span><span class="p">:</span>
<span class="w">      </span><span class="nt">param1</span><span class="p">:</span><span class="w"> </span><span class="l l-Scalar l-Scalar-Plain">value1</span>
<span class="w">      </span><span class="nt">param2</span><span class="p">:</span><span clas