# io.github.libtmux.jackson.FilterJson.FilterJson.writeString

- **Module:** io.github.libtmux.jackson.FilterJson.FilterJson
- **Package:** io.github.libtmux:libtmux
- **Language:** Java
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-java/blob/c3517519ee799428a809ce6deb1708c8be289cd1/libtmux-jackson/src/main/java/io/github/libtmux/jackson/FilterJson.java#L55
- **Page:** https://libtmux.org/reference/java/io-github-libtmux-jackson-filterjson-filterjson-writestring/

```
io.github.libtmux.jackson.FilterJson.FilterJson.writeString(expression: FilterExpr<T>, model: FilterModel<T>) -> String
```

Writes an expression as compact JSON text.