# Export

When exporting an EMS message to a SmartSockets message, `tibemsd` groups all the JMS header fields (except for the special cases noted above) into a single submessage within the SmartSockets message. The field `JMSHeaders` contains that submessage. Fields of the submessage map the names of JMS header fields to their values.

`tibemsd` ignores any JMS header fields that are null or absent—it omits them from the exported message.

You can instruct `tibemsd` to suppress the entire header submessage in all exported messages by setting the transport property `export_headers = false`.

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