Image Slider: Open images with prettyPhoto Lightbox

Hello there,

I’m using an Image Slider Element (flexslider) and it works fine.
But I need the pictures inside of it to open in a Lightbox, once the user clicks on them.

Sadly there is no setting to turn it on, I can only use the Image Carousel from the Visual Composer (vc_carousel) to get this feature.

Is there a way to add the Lightbox functionality to the Image Slider Element?

Thank you!

Ticket