This event is new in build 24 of the SDK and requires a version 3.3 or later world server.
This event indicates that the data in a page of terrain has been changed. The page that has changed is indicated by the attributes AW_TERRAIN_PAGE_X and AW_TERRAIN_PAGE_Z. The application may wish to call aw_terrain_query in response to this event in order to get the latest changes for the page.
See terrain for more information.