<xsd:complexType name="ConvertedAmountType"> <xsd:sequence> <xsd:element ref="Amount" /> <xsd:element minOccurs="0" ref="ExchangeRate" /> <xsd:element minOccurs="0" ref="CurrencyExchangeRate" /> <xsd:element minOccurs="0" ref="BaseAmount" /> </xsd:sequence> </xsd:complexType>