- <?xml version="1.0"?>
- <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
- <xsd:element name= "contact" type="ContactType"/>
- <xsd:complexType name="ContactType">
- <xsd:choice minOccurs="1" maxOccurs="2">
- <xsd:element name="customer" type="xsd:string" />
- <xsd:element name="comment" type="xsd:string" minOccurs="0"/>
- </xsd:choice>
- </xsd:complexType>
- </xsd:schema>
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