code: func (c *Page) Navigate(url string, referrer string, transitionType string, frameId string) (string, string, string, error) {
  	var v PageNavigateParams
  	v.Url = url
  	v.Referrer = referrer
  	v.TransitionType = transitionType
  	v.FrameId = frameId
  	return c.NavigateWithParams(&v)
  }
docs: // Navigate - Navigates current page to the given URL.
  // url - URL to navigate the page to.
  // referrer - Referrer URL.
  // transitionType - Intended transition type. enum values: link, typed, address_bar, auto_bookmark, auto_subframe, manual_subframe, generated, auto_toplevel, form_submit, reload, keyword, keyword_generated, other
  // frameId - Frame id to navigate, if not specified navigates the top frame.
  // Returns -  frameId - Frame id that has navigated (or failed to navigate) loaderId - Loader identifier. errorText - User friendly error message, present if and only if navigation has failed.