There are situation where you need to include additional fields that are not supported by native WHMpress shortcodes. If you are using Visual Composer, you can add any number of additional custom fields. No programming skills needed.
For example if your pricing table design demands additional font-awesome and background color. You can easily add these fields to a WHMpress pricing table using custom_fields.csv. Samples are included in development kit in whmpress/whmpress_pricing_table folder.
WHMpress custom_fields.csv supports all parameters of vc_map link. WHMpress acts according to shortcode type and take care of programming details.