message getBusinessParametersRequest
parts 
parameters
element attr:getBusinessParameters
used by 
Operation getBusinessParameters in PortType AttributeService
source  
<wsdl:message name="getBusinessParametersRequest">
  <wsdl:part name="parameters" element="attr:getBusinessParameters"/>
</wsdl:message>

WSDL documentation generated by XMLSpy WSDL Editor http://www.altova.com/xmlspy