message.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<sbe:messageSchema xmlns:sbe="http://fixprotocol.io/2016/sbe"
                   package = "model"
                   id="0"
                   version="0"
                   description="simple message"
                   byteOrder="littleEndian">
    <types>
        <composite name="messageHeader" description="Message identifiers and length of message root">
            <type name="blockLength" primitiveType="uint16"/>
            <type name="templateId" primitiveType="uint16"/>
            <type name="schemaId" primitiveType="uint16"/>
            <type name="version" primitiveType="uint16"/>
        </composite>

        <composite name="varDataEncoding">
            <type name="length" primitiveType="uint32" maxValue="1073741824"/>
            <type name="varData" primitiveType="uint8" length="0"/>
        </composite>
    </types>

    <sbe:message name="Message" id="1" semanticType="request" description="Simple message">
        <field name="msgId" id="2" type="uint64"/>
        <field name="msgType" id="3" type="uint8"/>
        <data name="content" type="varDataEncoding" id="4"/>
    </sbe:message>

</sbe:messageSchema>