people.xsd

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">

  <xs:element name="people" type="PeopleStore"/>

  <xs:complexType name="activitypreferenceType">
    <xs:sequence>
      <xs:element type="xs:string"  name="name"/>
      <xs:element type="xs:string"  name="description"/>
      <xs:element type="xs:string"  name="place"/>
      <xs:element type="xs:dateTime" name="startdate"/>
    </xs:sequence>
    <xs:attribute type="xs:long" name="id" use="required"/>
  </xs:complexType>

  <xs:complexType name="Person">
    <xs:sequence>
      <xs:element type="xs:string"  name="firstname"/>
      <xs:element type="xs:string"  name="lastname"/>
      <xs:element type="xs:date"    name="birthdate"/>
      <xs:element name="activitypreference" type="activitypreferenceType" />
    </xs:sequence>
    <xs:attribute type="xs:long" name="id" use="required"/>
  </xs:complexType>

  <xs:complexType name="PeopleStore">
    <xs:sequence>
      <xs:element name="person" type="Person" maxOccurs="unbounded" minOccurs="0" />
    </xs:sequence>
  </xs:complexType>

</xs:schema>