# query.FilterExpr.not

- **Module:** query.FilterExpr
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/8a648c0894dfffc9303583f753b6c8ae01f2fe76/crates/libtmux/src/query.rs#L1145
- **Page:** https://libtmux.org/reference/rs/query-filterexpr-not/

```
query.FilterExpr.not(self) -> Self
```