<filter name="style_generate_code_in_page" module="widget" act="procWidgetGenerateCodeInPage">
    <response callback_func="completeGenerateCodeInPage">
        <tag name="error" />
        <tag name="message" />
        <tag name="widget_code" />
        <tag name="tpl" />
        <tag name="css_header" />
    </response>
</filter>
