Reordering enumeration values
Change the order of values in an enumeration to change where they are displayed in the list that is generated by the enumeration.
You can change the order of values only in enumerations that have the System, Run Time Editable or Custom Field Picklists classification.
To reorder values in an enumeration:
The changes to the order of the enumeration's values are saved. The items will appear in the list generated by the enumeration in the same order as their corresponding values.