<xs:complexType name="InvoiceBase" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:sequence> <xs:element minOccurs="0" name="Date" type="xs:dateTime" /> <xs:element minOccurs="0" name="DueDate" type="xs:dateTime" /> <xs:element minOccurs="0" name="ID" type="ser:guid" /> <xs:element minOccurs="0" name="InvoiceNumber" type="xs:long" /> <xs:element minOccurs="0" name="IsPaid" type="xs:boolean" /> <xs:element minOccurs="0" name="Memo" nillable="true" type="xs:string" /> <xs:element minOccurs="0" name="TotalAmount" type="xs:decimal" /> <xs:element minOccurs="0" name="TransferredToQuickBooksDesktop" type="xs:boolean" /> </xs:sequence> </xs:complexType>