Hello,
Widget creation is meant additional customization in files which is not included in our basic support.
Read this article https://www.wpbeginner.com/wp-tutorials/how-to-create-a-custom-wordpress-widget/ , take a look at xstore-core plugin widgets – et-core-plugin/app/models/widgets/
If you don’t have apropriate skills then you may submit the request here to get help.
Regards