# Window.filterValue(_:of:)

- **Module:** Window
- **Package:** libtmux-swift
- **Language:** Swift
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-swift/blob/f02a4668570e1cc5198c941413750e021f42c214/Sources/LibTmux/FilterFields.swift#L51
- **Page:** https://libtmux.org/reference/swift/window-filtervalue(_-of-)/

```
Window.filterValue(_:of:)(id: String, of: Window) -> FilterValue?
```

Reads the field an id names, or `nil` if this model has no such field.