As this is a third party plugin, we won't be able to provide much information due to the fact that there is simply no way to account for all of the potential variables at play when using another developer's plugin or script. Because of this, any questions you have regarding setup, integration, or troubleshooting any piece of functionality that is not native to X will need to be directed to the original developer.
But to get you started, you might want to check out these link found in our KB:
The link you have provide from Jetback mentioned about the adding the code in the functions.php which should be found in the child theme's directory.
Also, this feature has been added to our list of feature requests. This way it can be taken into consideration for future development. All of these items are discussed with our team internally and prioritized based on the amount of interest a particular feature might receive. Thanks!
Thank you for your understanding.