# libtmux.Server.child_id_attribute

- **Module:** libtmux.Server
- **Package:** libtmux
- **Language:** Python
- **Kind:** attribute
- **Source:** https://github.com/tmux-python/libtmux/blob/036c521c4b83ce6e434eb50afe2a0d08a6a05e46/src/libtmux/server.py#L158
- **Page:** https://libtmux.org/reference/py/libtmux-server-child_id_attribute/

Unique child ID used by :class:`~libtmux.common.TmuxRelationalObject`