Parts of an XMS message
The header of a message contains fields, and all messages contain the same set of header fields. XMS and applications use the values of the header fields to identify and route messages. For more information about header fields, see [Header fields in an XMS message](https://www.ibm.com/docs/en/SSFKSJ_9.1.0/develop/xms_rmes_headrfld.html#xms_rmes_headrfld%20%22To%20allow%20an%20XMS%20application%20t
The header of a message contains fields, and all messages contain the same set of header fields. XMS and applications use the values of the header fields to identify and route messages. For more information about header fields, see [Header fields in an XMS message](https://www.ibm.com/docs/en/SSFKSJ_9.1.0/develop/xms_rmes_headrfld.html#xms_rmes_headrfld%20%22To%20allow%20an%20XMS%20application%20t