Service Portal search sources A search source is a record that describes the behavior and source of searchable data. A search source defines: Where search data is retrieved from. Whether search suggestions can populate the search field based on user input. How a search entry displays in the search result page. Search sources have simple and advanced configurations. Simple Define a table within your ServiceNow instance as a source of searchable data. To learn more, see Define a search source. Advanced Define a data fetch script to return data. A data fetch script executes on the server and returns a result array to the search widget. This method is more complex, but offers complete power over how a search is executed. You are not limited to records and tables within ServiceNow and can define a script that fetches data from anywhere on the web. To learn more, review the Tutorial: set up an external knowledge base search source. Typeahead settings Typeahead returns search results in real time as a user types in the search field. You can configure typeahead settings, or disable the feature entirely, within the search source record. Simple Define an icon to display beside typeahead results and the target page to display typeahead selections. Advanced Define a template for the typeahead result. See Create an advanced typeahead template. Search engine and custom settings When a simple search source is defined, Service Portal uses the search engine settings configured on your instance. To learn more, see Search administration . Define a search sourceConfigure a basic search source to query data from an instance table, or configure an advanced data fetch script to query data from anywhere on the web. Set the default portal search sourceIf you don't define specific search sources for your portal, the system uses default search sources instead. Configure contextual searchUse contextual search to limit search results for an instance of the typeahead search widget.