>
<p>This is invoked during the <a class="reference internal" href="../operations/evaluate.html#mltk.core.evaluate_model" title="mltk.core.evaluate_model"><code class="xref py py-func docutils literal notranslate"><span class="pre">mltk.core.evaluate_model()</span></code></a> API.</p>
<p>The given function should have the following signature:</p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">my_custom_eval_function</span><span class="p">(</span><span clas