# LibTmux::Control::Connection::Acknowledgement.failed

- **Module:** LibTmux::Control::Connection
- **Package:** LibTmux
- **Language:** Raku
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-raku/blob/0b5dd3d32e20f83a0069874e33eab0eb48f55962/lib/LibTmux/Control/Connection.rakumod#L44
- **Page:** https://libtmux.org/en/raku/latest/reference/libtmux-control-connection-acknowledgement-failed/

```
method failed(--> Bool:D)
```

Whether any framed response ended with a command error guard.

Whether any framed response ended with a command error guard.