# Global Functions

Global functions are special functions that are applied across all planes.

Refer to [Special Functions](https://doc.open-tx.org/manual-for-opentx-2-2/software-overview/model_menus/special_functions) for information on allowable settings.

![](https://274237988-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MRzpA59TKutI-lAv_5j%2Fsync%2F73b0af3448a928e3f5b1fe91437f071435c0cf27.png?generation=1611683699291321\&alt=media)