Event Query Criteria
constructor(followUp: Boolean?, organisationUnit: String?, ouMode: OrganisationUnitMode?, assignedUserMode: AssignedUserMode?, order: String?, displayColumnOrder: List<String>?, eventDate: DateFilterPeriod?, lastUpdatedDate: DateFilterPeriod?, status: EventStatus?, dataFilters: List<EventDataFilter>?, events: List<String>?, dueDate: DateFilterPeriod?, completedDate: DateFilterPeriod?)