XSD for Activation Web Services

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"  elementFormDefault="qualified" attributeFormDefault="unqualified">
  <xs:element name="activation">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="activationOutput" type="activationOutput" minOccurs="0"/>
        <xs:element name="activationInput" type="activationInput"/>
      </xs:sequence>
    </xs:complexType>
  </xs:element>
  <xs:complexType name="activationOutput">
    <xs:sequence>
      <xs:element name="AID" type="xs:string">
        <xs:annotation>
          <xs:documentation>Aid, identifier on Sentinel LDK-EMS side for each activation</xs:documentation>
        </xs:annotation>
      </xs:element>
      <xs:element name="protectionKeyId" type="xs:string"/>
      <xs:element name="activationString" type="xs:string"/>
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="activationInput">
    <xs:sequence>
      <xs:element name="activationAttribute" type="activationAttribute" maxOccurs="unbounded"/>
      <xs:element name="comments" minOccurs="0">
        <xs:simpleType>
          <xs:restriction base="xs:string">
            <xs:minLength value="0"/>
            <xs:maxLength value="510"/>
            </xs:restriction>
          </xs:simpleType>
      </xs:element>
      <xs:element name="sendMail" type="xs:boolean" minOccurs="0"/>  
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="activationAttribute">
    <xs:sequence>
      <xs:element name="attributeName">
        <xs:simpleType>
          <xs:restriction base="xs:string">
            <xs:enumeration value="C2V"/>
            <xs:enumeration value="ProtectionKeyId"/>
            <xs:enumeration value="CLEAR_BEFORE_APPLYING_UPDATE"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="attributeValue" type="xs:string"/>
      <xs:element name="groupName" minOccurs="0">
        <xs:simpleType>
          <xs:restriction base="xs:string">
            <xs:enumeration value="LICENSE_TERMS"/>
            <xs:enumeration value="CONCURRENCY"/>
            <xs:enumeration value="ACCESSIBILITY"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="isvPermission" minOccurs="0">
        <xs:simpleType>
          <xs:restriction base="xs:string">
            <xs:enumeration value="NONE"/>
            <xs:enumeration value="READ"/>
            <xs:enumeration value="READ_WRITE"/>
            <xs:enumeration value="ORDER_WRITE"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
      <xs:element name="subGroupName" minOccurs="0"/>
      <xs:element name="endUserPermission" minOccurs="0">
        <xs:simpleType>
          <xs:restriction base="xs:string">
            <xs:enumeration value="NONE"/>
            <xs:enumeration value="READ"/>
            <xs:enumeration value="READ_WRITE"/>
            <xs:enumeration value="ORDER_WRITE"/>
          </xs:restriction>
        </xs:simpleType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:schema>