Visual Composer for WordPress provides many ways to extend its functionality. There are already many add-ons available for this dynamic page builder, but its easy to do the extending yourself,  by following the hints in the documentation ;)

In this small tutorial we are adding a “type” field to allow a special css class to be added to each of our row containers.

New Visual Composer element properties can be easily added by using the vc_add_param function. See documentation for more information. In our case we are adding a property to the vc_row element.
Continue reading Extending the Visual Composer Row element with a new property