imagepickerDelegate

public func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey : Any]) {
    guard let url = info[.mediaURL] as? URL else {
        return
    }

    self.dismiss(animated: true) {
        [weak self] in
        print(url)
        // you can pass on this url of the video to do other stuff
    }

}