# LibTmux::Catalogue::OptionSpec.before

- **Module:** LibTmux::Catalogue
- **Package:** LibTmux
- **Language:** Raku
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-raku/blob/0b5dd3d32e20f83a0069874e33eab0eb48f55962/lib/LibTmux/Catalogue.rakumod#L111
- **Page:** https://libtmux.org/en/raku/latest/reference/libtmux-catalogue-optionspec-before/

Exclusive ending profile; empty when this variant has no declared end.

Exclusive ending profile; empty when this variant has no declared end.