target
The target document attribute or metadata field you want to alter when ingesting documents into Amazon Q Business.
For example, you can delete all customer identification numbers associated with the documents, stored in the document metadata field called 'Customer_ID' by setting the target key as 'Customer_ID' and the deletion flag to TRUE. This removes all customer ID values in the field 'Customer_ID'. This would scrub personally identifiable information from each document's metadata.
Amazon Q Business can't create a target field if it has not already been created as an index field. After you create your index field, you can create a document metadata field using DocumentAttributeTarget. Amazon Q Business will then map your newly created document attribute to your index field.