<sbe:messageSchema xmlns:sbe="http://fixprotocol.io/2016/sbe" package="NOT_USED" id="2001" version="1" semanticVersion="NOT_USED" description="Message format for XXXXXX" byteOrder="littleEndian"> <types> <composite name="messageHeader" description="Header included before every SBE message"> <type name="schemaId" primitiveType="uint16" description="ID for the schema"/> <type name="version" primitiveType="uint8" description="Version number of the schema"/> <type name="templateId" primitiveType="uint8" description="ID of the msg type."/> <type name="blockLength" primitiveType="uint8" description="Length of fixed-size root-block, excludes this header, repeating-groups and var-data"/> <type name="numGroups" primitiveType="uint8" description="Number of repeating-groups"/> <type name="numVarDataFields" primitiveType="uint8" description="Number of variable-length fields"/> </composite> </types> <sbe:message name="Ping" id="0"> </sbe:message> </sbe:messageSchema>