{
	"display": string,
	"docMetadata": {
		"title":string,// The string expression or $SCRIPT(...) specifying the document title
		"description":string,// The string expression or $SCRIPT(...) specifying the document description
		"publishedDate":string,// The string expression or $SCRIPT(...) specifying the document publishedDate
		"fullText":string,// The string expression or $SCRIPT(...) specifying the document fullText
		"displayUrl":string,//The string expression or $SCRIPT(...) specifying the document displayUrl
		"appendTagsToDocs":Boolean,// if true, source tags are appended to the document.  Default value is false. 
		"geotag": {config_param_name"},//Specify a document level geo-tag
	}

}