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When using a transport like HTTP, if you want to create an ACK/NACK message from an HL7 message in the flow, specify an axis2 scope message context property "HL7_GENERATE_ACK", and set its value to true. It ensures that an ACK/NACK message is created automatically when a message is sent out (using the HL7 formatter). By default, an ACK message is created. If a NACK message is required to be generated, the message context properties "HL7_RESULT_MODE" and "HL7_NACK_MESSAGE" have to be used.
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Synchronization with Builder/Formatter
The transport listener/sender, message builder/formatter uses a common implementation of parsing/validation logic of HL7 messages. Set the Java system property "ca.uhn.hl7v2.llp.charset" to control the encoding type of incoming messages. More information about this configuration will be coming up soon.
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Instructions on how to install the HL7 Transport in the WSO2 ESB. |