# constants.ResizeAdjustmentDirection.Left

- **Module:** constants
- **Package:** libtmux
- **Language:** TypeScript
- **Kind:** property
- **Source:** https://github.com/libtmux/libtmux-ts/blob/073b9d7dedad900bff6f5ec0ea47794e40225870/packages/libtmux/src/constants.ts#L7
- **Page:** https://libtmux.org/en/ts/latest/reference/constants-resizeadjustmentdirection-left/

```ts
constants.ResizeAdjustmentDirection.Left = "LEFT"
```

Move a pane boundary leftward; decrease a window's width.