# tmux.Session.SetHook

- **Module:** tmux.Session
- **Package:** github.com/libtmux/libtmux-go/tmux
- **Language:** Go
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-go/blob/5f808882015a975a65acc7f9da5b3ff0d5cbdc91/tmux/hook_runtime.go#L208
- **Page:** https://libtmux.org/reference/go/tmux-session-sethook/

```
tmux.Session.SetHook(ctx: context.Context, name: string, command: string) -> error
```

SetHook stores a session hook at this stable session target without refreshing models. Completed failures are secret-safe option errors; cancellation does not prove tmux did not accept the mutation.