# libtmux::SocketSource::path_variable

- **Module:** libtmux
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** constant
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/542fdc204ff3cfa56f5484327cda0c69bad2307d/include/libtmux/socket.hpp#L100
- **Page:** https://libtmux.org/en/cxx/latest/reference/libtmux-socketsource-path_variable/

`LIBTMUX_SOCKET_PATH`, tmux `-S`.