# CONTROL_MAXIMUM_AGE

- **Language:** C
- **Kind:** constant
- **Source:** https://github.com/tmux/tmux/blob/e476c1230b958df0cb12977517d24b3dc931375b/control.c#L138
- **Page:** https://libtmux.org/en/tmux/3.7c/reference/c-define-control-c-control_maximum_age/

```c
#define CONTROL_MAXIMUM_AGE 300000
```

## Referenced by

- [`control_check_age`](/en/tmux/3.7c/reference/c-function-control-c-control_check_age/) (function)