# LibTmux.Internal.FormatProjection.Contains

- **Module:** LibTmux.Internal.FormatProjection
- **Package:** LibTmux
- **Language:** .NET
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-dotnet/blob/6656a563ec9e07ab52e0c3ac96f7704fc94cc0c0/src/LibTmux/Materialization/FormatProjection.cs#L116
- **Page:** https://libtmux.org/reference/dotnet/libtmux-internal-formatprojection-contains/

```
LibTmux.Internal.FormatProjection.Contains(wireName: string) -> bool
```

Reports whether a wire name belongs to this projection.

## Parameters

- `wireName` (string) — A tmux format token name.

## Returns

True when the projection emits the field.