> For the complete documentation index, see [llms.txt](https://manuscript.knightsoftheeditingtable.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://manuscript.knightsoftheeditingtable.com/extensions/spell-book-old/how-it-works.md).

# How it works

Spell Book listens for shortcut press inside host application only (e.g. for Excalibur extension, host application will be Premiere Pro), this allows to assign shortcuts to any command in extension.