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' For complete examples and data files, please go to https://github.com/groupdocs-metadata/GroupDocs.Metadata-for-.NET
' initialize custom handler, send output path using constructor
Dim replaceHandler As IReplaceHandler(Of MetadataProperty) = New AuthorReplaceHandler(Common.MapDestinationFilePath(filePath))

' replace author
Dim affectedPropertiesCount As Integer = SearchFacade.ReplaceInDocument(Common.MapSourceFilePath(filePath), replaceHandler)