Filter for Content Items that have any tag in a tagbox "Events" assigned. 

{
	"kind": "NestedFilter",
	"path": "detailInformation.eventDetails.events",
	"filter": {
		"kind": "ExistsFilter",
		"field": "detailInformation.eventDetails.events"
	}
}
CODE
  • Exists check if there is a value existing.

  • The nested filter is needed for multi tagboxes (tagboxes with multiple values).