This option overrides the default usage of the HTTP Host request header.
DISH services export Webservices Description Language Documents (WSDLs). These are XML documents that contain descriptions
of the available SOAP services. The URL of the targetNameSpace and the soapAction operations within this XML document contain
a hostname. When this option is set to NULL, the default value, the hostname is that of the computer on which the database
server is running. If this option is set to a string value, the string is used as the hostname instead. This option is intended
for use when developing web service client applications that, when deployed, target a host other than the one used for development.