controls['text'] = [ 'type' => 'text', 'default' => esc_html__( 'Submit Form', 'frontend-admin' ), 'placeholder' => esc_html__( 'Submit Form', 'frontend-admin' ), ]; } public function render(){ $this->set_attribute( '_root', 'class', 'fea-submit-button' ); parent::render(); } }