View service.wsdl
<?xml version="1.0" encoding="UTF-8"?>
<definitions xmlns="http://schemas.xmlsoap.org/wsdl/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:tns="xyz" xmlns:xsd="http://www.w3.org/2001/XMLSchema" name="ServiceName" targetNamespace="xyz">
<types>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" targetNamespace="xyz" xmlns:tns="xyz" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:soapenc="http://schemas.xmlsoap.org/soap/encoding/">
<xsd:complexType name="SomeOperation">
<xsd:sequence>
<xsd:element name="Customer_ID" type="xsd:int" minOccurs="1" maxOccurs="1"/>
<xsd:element name="Customer_Code" type="xsd:string" minOccurs="1" maxOccurs="1"/>
</xsd:sequence>
</xsd:complexType>