How to change the default sort order on the OPAC

When you search on OPAC and retrieve more than one result, you can change the order in which the results display by clicking on the dropdown option in the top right of the list,

If you want to change the default sort order used go to Administration, search for the System Preference OPACdefaultSortOrder, select the column you want to sort by and select whether you want to display results in ascending or descending order.  Then click the Save button.