# LibTmux.Session.LockAsync

- **Module:** LibTmux.Session
- **Package:** LibTmux
- **Language:** .NET
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/6656a563ec9e07ab52e0c3ac96f7704fc94cc0c0/src/LibTmux/Session.Lifecycle.cs#L129
- **Page:** https://libtmux.org/reference/dotnet/libtmux-session-lockasync/

```
LibTmux.Session.LockAsync(cancellationToken: CancellationToken) -> Task
```

Locks this session.

## Parameters

- `cancellationToken` (CancellationToken) — Cancels the tmux command.