The checkboxes facet type
The checkboxes facet type provides the ability to filter by using multiple values.
Check this facet in action on our live demo: https://demo.posterno.com/recent-listings/
Parent Term: enter the parent term's ID if you have selected an hierarchical taxonomy as data source.
Sort by: the sorting order of the choices by count, or term order.
Hierarchical: if you've selected an hiearchical taxonomy as data source, this option allows to display indentend child terms.