# LibTmux.Server.GetWindowAsync

- **Module:** LibTmux.Server
- **Package:** LibTmux
- **Language:** .NET
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/320dc64f4b8b7815842471327a5e6b84a1499bf8/src/LibTmux/Server.Identity.cs#L140
- **Page:** https://libtmux.org/en/dotnet/latest/reference/libtmux-server-getwindowasync/

```
LibTmux.Server.GetWindowAsync(id: WindowId, cancellationToken: CancellationToken) -> Task<Window>
```

Reads one window by identifier, throwing when it is absent.

A handle that has not found a live server yet discovers one first.

## Parameters

- `id` (WindowId): The window identifier.
- `cancellationToken` (CancellationToken): Cancels the tmux command.

## Returns

A materialized window carrying captured scalar state.

## Raises

- `TmuxObjectNotFoundException`: The window does not exist.
- `LibTmuxException`: The lookup failed, including an absent daemon.