code: func (a *AlertService) GetPageIterator(data url.Values) AlertPageIterator {
  	iter := NewPageIterator(a.client, data, alertPathPart)
  	return &alertPageIterator{
  		p: iter,
  	}
  }
docs: // GetPageIterator returns a AlertPageIterator with the given page
  // filters. Call iterator.Next() to get the first page of resources (and again
  // to retrieve subsequent pages).