# libtmux::ParsedNotification::age

- **Module:** libtmux::ParsedNotification
- **Package:** libtmux-cxx
- **Language:** C++
- **Kind:** attribute
- **Source:** https://github.com/libtmux/libtmux-cxx/blob/85e8bd603a322dc32bb8b9aeb1a72bcf36945f1d/include/libtmux/notification.hpp#L84
- **Page:** https://libtmux.org/reference/cxx/libtmux-parsednotification-age/

Milliseconds this output was behind when tmux wrote it.

Only `extended_output` carries one.