The Fill Document Handle Keyword(s) check box enables the new document, which had no link to the primary document via a common keyword, to become a related document based on the document handle when actions and rules are configured to use the Document Handle option to identify related documents. If you select the Fill Document Handle Keyword(s) check box, the new document and the primary document inherit each other's document handle number Keyword Values for the Document Handle keyword. The Document Handle OnBase keyword must be assigned to the Document Type of the primary document. If the primary document already had a value in the Document Handle Keyword Type, the document handle of the new document is added to the primary document as a Document Handle Keyword Value and does not replace the previous value.