 class="kt"><a href="../Classes/CodeGeneratorService.html#/s:7Blockly20CodeGeneratorServiceC12ErrorClosurea">ErrorClosure</a></span><span class="p">?</span> <span class="o">=</span> <span class="kc">nil</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">String</span></code></pre>

                        </div>
                      </div>
                      <div>
                        <h4>Return Value</h4>
                        <p>A UUID repres