# tmux.SessionFilter.Validate

- **Module:** tmux.SessionFilter
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-go/blob/5f808882015a975a65acc7f9da5b3ff0d5cbdc91/tmux/filter_generated.go#L1687
- **Page:** https://libtmux.org/reference/go/tmux-sessionfilter-validate/

```
tmux.SessionFilter.Validate() -> error
```

Validate checks structure, regular expressions, and contradictory criteria; failures wrap [ErrInvalidFilter].