Adding the ?sort_id tag to the end of an IDX link will allow you to set the sort:
| New or Recently Changed | ?sort_id=new_or_recently_changed_first |
| Low to High | ?sort_id=price_low_to_high |
| High to Low | ?sort_id=price_high_to_low |
| Status | ?sort_id=status |
| City | ?sort_id=city |
| Bedrooms | ?sort_id=bedrooms |
| Bathrooms | ?sort_id=bathrooms |
You can also choose a custom sort from the link dropdown and append the URL variable to the end of any link: ?sort_id=20160805132942535145000000x
