mh.setHeader( "SOAPAction", "\"urn:schemas-microsoft-com:xml-analysis:Discover\"" ); //$NON-NLS-1$ //$NON-NLS-2$
SOAPPart soapPart = msg.getSOAPPart();
SOAPEnvelope envelope = soapPart.getEnvelope();
envelope.addNamespaceDeclaration( "xsi", "http://www.w3.org/2001/XMLSchema-instance" ); //$NON-NLS-1$//$NON-NLS-2$
envelope.addNamespaceDeclaration( "xsd", "http://www.w3.org/2001/XMLSchema" ); //$NON-NLS-1$ //$NON-NLS-2$
SOAPBody body = envelope.getBody();
Name nDiscover = envelope.createName( "Discover", "", XMLABaseComponent.XMLA_URI ); //$NON-NLS-1$//$NON-NLS-2$
SOAPElement eDiscover = body.addChildElement( nDiscover );
eDiscover.setEncodingStyle( XMLABaseComponent.ENCODING_STYLE );