l">String</a></span> <span class="parameter-name">error</span>, </span><span class="parameter" id="-param-event"><span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a>?</span> <span class="parameter-name">event</span>, </span><span class="parameter" id="-param-pluginName"><span>required</span> <span class="type-annotation"><a href="https://api.flutter.dev/flutter/dart-core/String-class.html">String</a></span> <span class="parameter-name">pluginName</sp