# LibTmux.TmuxHooks.SetAsync

- **Module:** LibTmux.TmuxHooks
- **Package:** LibTmux
- **Language:** .NET
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/6656a563ec9e07ab52e0c3ac96f7704fc94cc0c0/src/LibTmux/Hooks/TmuxHooks.cs#L235
- **Page:** https://libtmux.org/reference/dotnet/libtmux-tmuxhooks-setasync/

```
LibTmux.TmuxHooks.SetAsync(request: SetHookRequest, cancellationToken: CancellationToken) -> Task<TmuxHook>
```

Sets one hook entry.

## Parameters

- `request` (SetHookRequest) — Which hook to set, to what, and how.
- `cancellationToken` (CancellationToken) — Cancels the tmux commands.

## Returns

The hook as tmux holds it afterwards.

## Raises

- `TmuxOptionException` — tmux rejected the hook or its command.