Update search-simple-query.js

nodejs-retail/samples/interactive-tutorials/search/search-simple-query.js

@@ -33,6 +33,9 @@ async function main(searchQuery, facets, filters, pageSize, pageOffset) {
   const facetSpecs = facets ? facets : [];
   const filter = filters; /// TRY DIFFERENT FILTER EXPRESSIONS
   // const filter = '(colors: ANY("Cool gray" ,"Light gray"))'; // TRY DIFFERENT FILTER EXPRESSIONS
+  const queryExpansionSpec = {
+    condition: 'AUTO', // TRY OTHER QUERY EXPANSION CONDITIONS HERE
+  };
 
   // A unique identifier for tracking visitors.
   const visitorId = '12345';
@@ -59,6 +62,7 @@ async function main(searchQuery, facets, filters, pageSize, pageOffset) {
       filter,
       visitorId,
       pageSize,
+      queryExpansionSpec,
       offset,
     };