Select this option to merge MPIs, MRNs, or charts using a Merge Message Type. When the OnBase Client is started with the -HL7LISTENER switch enabled, processors are automatically created for each Medical Records Chart message action configured to merge existing charts. These processors propagate newly merged chart data to patient records, non-chart-based AutoFill Keyword Sets, and documents. For more information and merge-related requirements, seeHL7 Merge Processing.