# LibTmux.Server.SearchClientsAsync

- **Module:** LibTmux
- **Package:** LibTmux
- **Language:** C#
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/cf34b255c896d19a97e7d7fabea58609c916012d/src/LibTmux/Query/NativeFilterSearch.cs#L62
- **Page:** https://libtmux.org/en/csharp/latest/reference/libtmux-server-searchclientsasync/

```
LibTmux.Server.SearchClientsAsync(filter: UnsafeTmuxFilter, cancellationToken: CancellationToken) -> Task<IReadOnlyList<Client>>
```

Runs a tmux-side filter over every attached client.

## Parameters

- `filter` (`UnsafeTmuxFilter`): The raw tmux filter expression.
- `cancellationToken` (`CancellationToken`): Cancels the tmux command.

## Returns

The clients tmux kept.

## Raises

- [`TmuxVersionTooLowException`](/en/csharp/latest/reference/libtmux-tmuxversiontoolowexception/): The server runs tmux older than 3.4, whose list-clients has no filter.