> For the complete documentation index, see [llms.txt](https://gtfo-modding.gitbook.io/wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gtfo-modding.gitbook.io/wiki/reference/nested-types/altitudedata.md).

# AltitudeData

Altitude data defines the desired height of the zone. Only 3 height values exist by default in the game.

## Fields

### AllowedZoneAltitude - [eWantedZoneHeighs](/wiki/reference/enum-types.md#ewantedzoneheighs) (enum)

Allowed altitudes for this zone.

### ChanceToChange - Single

The chance for the altitude to change in applicable situations (when it is not forced and can happen, e.g. allowed is "LowMid" and current is "Low").
