<xs:complexType name="UploadRequest" xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:sequence> <xs:element minOccurs="0" name="Buffer" nillable="true" type="xs:base64Binary" /> <xs:element minOccurs="0" name="FileName" nillable="true" type="xs:string" /> <xs:element minOccurs="0" name="FileSize" type="xs:long" /> <xs:element minOccurs="0" name="Offset" type="xs:int" /> </xs:sequence> </xs:complexType>