# tmux.Window.MarshalJSON

- **Module:** tmux.Window
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-go/blob/52968a3181c1c9e6d1b26c565d4b170968ae61c0/tmux/marshal.go#L39
- **Page:** https://libtmux.org/en/go/latest/reference/tmux-window-marshaljson/

```
tmux.Window.MarshalJSON() -> ([]byte, error)
```

MarshalJSON encodes the window's identity, its place in the hierarchy, and the format expansions tmux returned for it. Nothing decodes; see [Session.MarshalJSON].