Adds a data-relation object for a pair of parent and child buffers that is based on the RECID of the parent buffer to a dynamic ProDataSet object. It also sets the
PARENT-ID-RELATION attribute to TRUE.
Indicates an optional CHARACTER expression evaluating to a comma-separated list of fields from the parent record to be written to XML before any nested child-buffer-handle records.
An optional CHARACTER expression evaluating to a comma-separated list of fields from the parent record to be written to XML after all nested child-buffer-handle records.