%FIELDS

%FIELDS(name{:name...})

• A list of fields can be specified as the final argument to Input/Output operation UPDATE coded in a free-form group. Only the fields specified are updated into the Input/Output buffer. See %FIELDS (Fields to update).
• A list of subfields can be specified as the final argument to the SORTA operation for an array data structure. The values of the specified subfields are used when comparing the array elements. See %FIELDS (Subfields for sorting).