Usage of elementFormDefault attribute of Schema tag

Learnings from Gora (amitagl27@gmail.com)

I was creating a WSDL in my project to generate contract first webservices. 

When I imported the WSDL in cordys, it gave me empty namespaces just after the attributes, i.e. it looked something like this :

<!--Cordys Input Structure-->

<SOAP:Envelope xmlns:SOAP="http://schemas.xmlsoap.org/soap/envelope/">
  <SOAP:Body>
    <CreateForeclosureProcess xmlns="http://schemas.bas.com/ext/IntakeProcessServices/">
      <CaseId xmlns="">PARAMETER</CaseId>
    </CreateForeclosureProcess>
  </SOAP:Body>
</SOAP:Envelope>

<!-- External Tool input Structure, Wizdler (https://chrome.google.com/webstore/detail/wizdler/oebpmncolmhiapingjaagmapififiakb?hl=en)-->

<Envelope xmlns="http://schemas.xmlsoap.org/soap/envelope/">
    <Body>
        <CreateForeclosureProcess xmlns="http://schemas.bas.com/ext/IntakeProcessServices/">
            <CaseId xmlns="">[string]</CaseId>
        </CreateForeclosureProcess>
    </Body>
</Envelope>

I did two things to remove these namespaces.

1. To remove from Cordys : Instead to having a direct element in my Request schema, I created a reference to another element.

Old :

<xsd:element name="CreateForeclosureProcess">
         <xsd:complexType>
          <xsd:sequence>
 <xsd:element  type="xsd:string" name="CaseId" />           
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>

Modified :

<xsd:element name="CreateForeclosureProcess">
         <xsd:complexType>
          <xsd:sequence>
 <xsd:element ref="tns:CaseId" />            
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
  
  <xsd:element  type="xsd:string" name="CaseId" />

 2. Even after doing this, the Wizdler plugin was still showing the empty namespace, then a little research on web gave me following link :

http://docs.intersystems.com/ens20082/csp/docbook/DocBook.UI.Page.cls?KEY=GSOP_service_fine_tuning

which suggested to add 

elementFormDefault='qualified'
to my schema tag as an attribute.

Example :
<xsd:schema targetNamespace="http://www.darkhorseboa.org/ThirdPartyUtilities/" elementFormDefault="qualified">