# LibTmux.Query.FieldUnavailable

- **Module:** LibTmux.Query
- **Package:** libtmux-haskell
- **Language:** Haskell
- **Kind:** data constructor
- **Source:** https://github.com/libtmux/libtmux-haskell/blob/663e212622a02aa74a9bdc8ff71e2b45fcb1d4d5/internal/LibTmux/Internal/Query.hs#L125
- **Page:** https://libtmux.org/en/haskell/latest/reference/libtmux-query-v-fieldunavailable/

```haskell
FieldUnavailable !Text
```

Signature types: [`Text`](https://hackage.haskell.org/package/text-2.1.3/docs/Data-Text.html#t:Text).

Stable field key unavailable to the evaluator.