Search Field
xib-based
Adding NSSearchField control to xib interface, change control custom class to component class name of your exported.

code-based
Declare lazy load variable in the controller class and add it to the view.
import Cocoa
class ViewController: NSViewController {
lazy var searchField: HDSearchField = {
let searchField = HDSearchField(frame: NSRect(x: 100, y: 100, width: 90, height: 24))
return searchField
}()
override func viewDidLoad() {
super.viewDidLoad()
self.view.addSubview(searchField)
}
}