    <xs:schema elementFormDefault="qualified" targetNamespace="http://example.org/message-test/xsd"
      xmlns:xs="http://www.w3.org/2001/XMLSchema"
      xmlns:xsmt="http://example.org/message-test/xsd">
      
      <xs:element name="EchoName" type="xsmt:EchoStructType"/>
      <xs:element name="EchoName2" type="xsmt:EchoStructType"/>
      <xs:complexType name="EchoStructType">
        <xs:sequence>
          <xs:element name="FirstName" type="xs:string"/>
          <xs:element name="MiddleName" type="xs:string" minOccurs="0"/>
          <xs:element name="LastName" type="xs:string"/>
        </xs:sequence>
      </xs:complexType>

      <xs:element name="EchoNameFault" type="xsmt:FaultStructType"/>
      <xs:complexType name="FaultStructType">
        <xs:sequence>
          <xs:element name="Fault" type="xs:string"/>
          <xs:element name="FirstName" type="xs:string"/>
          <xs:element name="MiddleName" type="xs:string" minOccurs="0"/>
          <xs:element name="LastName" type="xs:string"/>
        </xs:sequence>
      </xs:complexType>
      <xs:element name="messageTestFault" type="xsmt:IntFaultStruct"/>
      <xs:complexType name="IntFaultStruct">
        <xs:all>
          <xs:element name="faultNumber" type="xs:int"/>
          <xs:element name="faultOperationName" type="xs:string"/>
        </xs:all>
      </xs:complexType>
    </xs:schema>