Used to tell which way the paging is going, to the NEXT_PAGE or to the PREVIOUS_PAGE.
| value | description |
|---|---|
| PREVIOUS_PAGE | The previous page is used to prepend a new set of itineraries BEFORE the current result. Depending on the sort order, the previous page may hold itineraries which depart/arrive after or before the current result. |
| NEXT_PAGE | The next page is used to append a new set of itineraries AFTER the current result. Depending on the sort order, the next page may hold itineraries which depart/arrive after or before the current result. |