# io.github.libtmux.TargetIds.TargetIds.require

- **Module:** io.github.libtmux.TargetIds.TargetIds
- **Package:** io.github.libtmux:libtmux
- **Language:** Java
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-java/blob/c3517519ee799428a809ce6deb1708c8be289cd1/libtmux/src/main/java/io/github/libtmux/TargetIds.java#L16
- **Page:** https://libtmux.org/reference/java/io-github-libtmux-targetids-targetids-require/

```
io.github.libtmux.TargetIds.TargetIds.require(value: String, sigil: char, kind: String) -> void
```

Rejects anything tmux would not read as an id of this kind.

<p>A bare {@code 0} is the case worth catching: tmux would accept it as a target and resolve
it as a name or an index, silently addressing something else.