# error.Error.ReadOutput.request_id

- **Module:** error.Error
- **Package:** libtmux
- **Language:** Rust
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-rs/blob/84de9258a07d10bdd5f6da01b016a9ae06fe1210/crates/libtmux/src/error.rs#L827
- **Page:** https://libtmux.org/en/rs/latest/reference/error-error-readoutput-request_id/

```rs
request_id: u64
```

The Core-scoped dispatch-request identity.