addFieldset( 'googleoptimizer_fields', ['legend' => __('Google Analytics Content Experiments Code')] ); $fieldset->addField( 'experiment_script', 'textarea', [ 'name' => 'experiment_script', 'label' => __('Experiment Code'), 'value' => $experimentCodeModel ? $experimentCodeModel->getExperimentScript() : '', 'class' => 'textarea googleoptimizer', 'required' => false, 'note' => __('Experiment code should be added to the original page only.'), 'data-form-part' => $formName ] ); $fieldset->addField( 'code_id', 'hidden', [ 'name' => 'code_id', 'value' => $experimentCodeModel ? $experimentCodeModel->getCodeId() : '', 'required' => false, 'data-form-part' => $formName ] ); $form->setFieldNameSuffix('google_experiment'); } }