Link ‘ID’ which is used by Metadata Utility to join ‘Main’ aka Master Movie Information with ‘Child’ aka Additional Movie Information.
During normal operation, this field is automatically generated by Metadata Utility.
This field –‘ID’– is VERY Important during the recovery of ‘Orphaned’ Records. We will go into more details in the How To’s Section of How to recover Orphaned Records (and what ‘Orphaned Records’ actually means : ) ).