If you are UPDATING existing participants, you will need to include acolumn containing the unique CiviCRM-assigned participant ID to match tothe existing participant record.
If you are UPDATING existing participants, you will need to include acolumn containing the unique CiviCRM-assigned participant ID to match tothe existing participant record.
If you are UPDATING existing participants, you will need to include acolumn containing the unique CiviCRM-assigned participant ID to match tothe existing participant record.