# server.AccessRule.principal

- **Module:** server.AccessRule
- **Package:** libtmux
- **Language:** Rust
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-rs/blob/f0e37052c232636b61d095817046e6bfc8f2ca40/crates/libtmux/src/server.rs#L137
- **Page:** https://libtmux.org/en/rs/latest/reference/server-accessrule-principal/

```
server.AccessRule.principal(self) -> Principal
```

Whether [`Self::name`] is an operating-system user or group.