# field_types.FormatValueType

- **Module:** field_types
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** typealias
- **Source:** https://github.com/libtmux/libtmux-ts/blob/46cccfef2a546de55ce8b308249b8c76339089a0/packages/libtmux/src/field_types.ts#L221
- **Page:** https://libtmux.org/en/ts/latest/reference/field_types-formatvaluetype/

```ts
type FormatValueType = | "boolean"
| "number"
| "pane-id"
| "session-id"
| "time"
| "window-id"
```

The shapes tmux writes that are not simply text.