String The name of the server property whose value you want to retrieve (for example, watt.server.SOAP.directive).

String Optional. The default value to return if the server property specified in propertyName does not exist. If the server property does exist, the getServerProperty service ignores this value.

String The value of the requested server property. If the property does not exist, and you did not set a defaultValue, the getServerProperty service returns null.