# Window.filterValue(_:of:)

- **Module:** Window
- **Package:** libtmux-swift
- **Language:** Swift
- **Kind:** method
- **Source:** https://github.com/libtmux/libtmux-swift/blob/254f8b2be7eb60cacc3ffcb3ea8e456784f582df/Sources/LibTmux/FilterFields.swift#L62
- **Page:** https://libtmux.org/en/swift/latest/reference/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.