# tmux.PaneRel.MarshalJSON

- **Module:** tmux.PaneRel
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-go/blob/5f808882015a975a65acc7f9da5b3ff0d5cbdc91/tmux/filter_generated.go#L2476
- **Page:** https://libtmux.org/reference/go/tmux-panerel-marshaljson/

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

MarshalJSON validates and encodes the pane relation; failures wrap [ErrInvalidFilter].