# libtmux::WaitResult::reason

- **Module:** libtmux
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/542fdc204ff3cfa56f5484327cda0c69bad2307d/include/libtmux/wait.hpp#L69
- **Page:** https://libtmux.org/en/cxx/latest/reference/libtmux-waitresult-reason/

Why the pane could not be read, in tmux's own words.

Empty unless `pane_died`.
