# libtmux::Server::signal

- **Module:** libtmux::Server
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/85e8bd603a322dc32bb8b9aeb1a72bcf36945f1d/include/libtmux/server.hpp#L188
- **Page:** https://libtmux.org/reference/cxx/libtmux-server-signal/

```
libtmux::Server::signal(channel: std::string_view) -> expected< void, CommandFailure >
```

Release whoever is waiting on the channel, or latch it for whoever waits next.