# formats.plan.PlanFieldState

- **Module:** formats.plan
- **Package:** libtmux
- **Language:** Rust
- **Kind:** enum
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/formats/plan.rs#L121
- **Page:** https://libtmux.org/reference/rs/formats-plan-planfieldstate/

## Members

- `Selected` (constant) — Field is rendered at this selected-slot coordinate.
- `Unsupported` (constant) — Numbered tmux release predates the field.
- `Unproven` (constant) — Development build provides no numbered availability proof.