Changing customConfig to long and making it a required parameter

src/SDKs/CognitiveServices/dataPlane/Search/BingCustomSearch/BingCustomSearch.Tests/CustomSearchTests.cs

@@ -20,7 +20,7 @@ public void CustomSearch()
                 HttpMockServer.Initialize(this.GetType().FullName, "CustomSearch");
 
                 ICustomSearchAPI client = new CustomSearchAPI(new ApiKeyServiceClientCredentials(SubscriptionKey), HttpMockServer.CreateInstance());
-                var resp = client.CustomInstance.SearchAsync(query: "tom cruise").Result;
+                var resp = client.CustomInstance.SearchAsync(query: "tom cruise", customConfig: 0).Result;
 
                 Assert.NotNull(resp);
                 Assert.NotNull(resp.WebPages);

src/SDKs/CognitiveServices/dataPlane/Search/BingCustomSearch/BingCustomSearch.Tests/SessionRecords/SearchSDK.Tests.CustomSearchTests/CustomSearch.json

@@ -1,7 +1,7 @@
 {
   "Entries": [
     {
-      "RequestUri": "/bingcustomsearch/v7.0/search?mkt=en-us&q=tom%20cruise",
+      "RequestUri": "/bingcustomsearch/v7.0/search?customConfig=0&mkt=en-us&q=tom%20cruise",
       "RequestMethod": "GET",
       "RequestHeaders": {
         "User-Agent": [

src/SDKs/CognitiveServices/dataPlane/Search/BingCustomSearch/BingCustomSearch/Generated/CustomSearch/CustomInstance.cs

@@ -1,8 +1,4 @@
 // <auto-generated>
-// Copyright (c) Microsoft Corporation. All rights reserved.
-// Licensed under the MIT License. See License.txt in the project root for
-// license information.
-//
 // Code generated by Microsoft (R) AutoRest Code Generator.
 // Changes may cause incorrect behavior and will be lost if the code is
 // regenerated.
@@ -54,6 +50,9 @@ public CustomInstance(CustomSearchAPI client)
         /// The Custom Search API lets you send a search query to Bing and get back web
         /// pages found in your custom view of the web.
         /// </summary>
+        /// <param name='customConfig'>
+        /// The identifier for the custom search configuration
+        /// </param>
         /// <param name='query'>
         /// The user's search query term. The term may not be empty. The term may
         /// contain Bing Advanced Operators. For example, to limit results to a
@@ -164,9 +163,6 @@ public CustomInstance(CustomSearchAPI client)
         /// should include this header and the X-MSEdge-ClientIP header, but at a
         /// minimum, you should include this header.
         /// </param>
-        /// <param name='customConfig'>
-        /// The identifier for the custom search configuration
-        /// </param>
         /// <param name='countryCode'>
         /// A 2-character country code of the country where the results come from. This
         /// API supports only the United States market. If you specify this query
@@ -280,8 +276,12 @@ public CustomInstance(CustomSearchAPI client)
         /// <return>
         /// A response object containing the response body and response headers.
         /// </return>
-        public async Task<HttpOperationResponse<SearchResponse>> SearchWithHttpMessagesAsync(string query, string acceptLanguage = default(string), string userAgent = default(string), string clientId = default(string), string clientIp = default(string), string location = default(string), int? customConfig = default(int?), string countryCode = default(string), int? count = default(int?), string market = "en-us", int? offset = default(int?), string safeSearch = default(string), string setLang = default(string), bool? textDecorations = default(bool?), string textFormat = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
+        public async Task<HttpOperationResponse<SearchResponse>> SearchWithHttpMessagesAsync(long customConfig, string query, string acceptLanguage = default(string), string userAgent = default(string), string clientId = default(string), string clientIp = default(string), string location = default(string), string countryCode = default(string), int? count = default(int?), string market = "en-us", int? offset = default(int?), string safeSearch = default(string), string setLang = default(string), bool? textDecorations = default(bool?), string textFormat = default(string), Dictionary<string, List<string>> customHeaders = null, CancellationToken cancellationToken = default(CancellationToken))
         {
+            if (customConfig < 0)
+            {
+                throw new ValidationException(ValidationRules.InclusiveMinimum, "customConfig", 0);
+            }
             if (query == null)
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "query");
@@ -317,10 +317,7 @@ public CustomInstance(CustomSearchAPI client)
             var _baseUrl = Client.BaseUri.AbsoluteUri;
             var _url = new System.Uri(new System.Uri(_baseUrl + (_baseUrl.EndsWith("/") ? "" : "/")), "search").ToString();
             List<string> _queryParameters = new List<string>();
-            if (customConfig != null)
-            {
-                _queryParameters.Add(string.Format("customConfig={0}", System.Uri.EscapeDataString(Rest.Serialization.SafeJsonConvert.SerializeObject(customConfig, Client.SerializationSettings).Trim('"'))));
-            }
+            _queryParameters.Add(string.Format("customConfig={0}", System.Uri.EscapeDataString(Rest.Serialization.SafeJsonConvert.SerializeObject(customConfig, Client.SerializationSettings).Trim('"'))));
             if (countryCode != null)
             {
                 _queryParameters.Add(string.Format("cc={0}", System.Uri.EscapeDataString(countryCode)));
@@ -431,14 +428,12 @@ public CustomInstance(CustomSearchAPI client)
 
             // Serialize Request
             string _requestContent = null;
-
             // Set Credentials
             if (Client.Credentials != null)
             {
                 cancellationToken.ThrowIfCancellationRequested();
                 await Client.Credentials.ProcessHttpRequestAsync(_httpRequest, cancellationToken).ConfigureAwait(false);
             }
-
             // Send Request
             if (_shouldTrace)
             {