# libtmux._internal.env.TMUX

- **Module:** libtmux._internal.env
- **Package:** libtmux
- **Language:** Python
- **Kind:** constant
- **Source:** https://github.com/tmux-python/libtmux/blob/036c521c4b83ce6e434eb50afe2a0d08a6a05e46/src/libtmux/_internal/env.py#L36
- **Page:** https://libtmux.org/reference/py/libtmux-_internal-env-tmux/

Environment variable tmux exports with ``socket_path,server_pid,session_id``.