Hello,
we are still working to improve our components, but this feature isn't on the top of the list.
It could be done in the next version, but we have fresh version of the component (1.5.2) only a few weeks old.
If it is key functionality for your business, I recommend you to use our paid support (
Tato emailová adresa je chráněna před spamboty, abyste ji viděli, povolte JavaScript
) to add this feature immediately.