clarify header:location requirement

Author: laujan

articles/cognitive-services/Translator/quickstart-translator.md

@@ -8,7 +8,7 @@ manager: nitinme
 ms.service: cognitive-services
 ms.subservice: translator-text
 ms.topic: quickstart
-ms.date: 07/28/2022
+ms.date: 09/14/2022
 ms.author: lajanuar
 ms.devlang: csharp, golang, java, javascript, python
 ---
@@ -24,10 +24,10 @@ In this quickstart, you'll get started using the Translator service to [translat
 
 > [!NOTE]
 >
-> * For this quickstart it is recommended that you use a Translator text single-service subscription.
-> * With the single-service subscription you'll include one authorization header (**Ocp-Apim-Subscription-key**) with the REST API request. The value for Ocp-Apim-Subscription-key is your Azure secret key for your Translator Text subscription.
-> * If you choose to use the multi-service Cognitive Services subscription, it requires two authentication headers (**Ocp-Api-Subscription-Key** and **Ocp-Apim-Subscription-Region**). The value for Ocp-Apim-Subscription-Region is the region associated with your subscription.
-> * For more information on how to use the Ocp-Apim-Subscription-Region header, _see_ [Use the Text Translator APIs](translator-text-apis.md).
+> * For this quickstart it is recommended that you use a Translator text single-service global resource.
+> * With a single-service global resource you'll include one authorization header (**Ocp-Apim-Subscription-key**) with the REST API request. The value for Ocp-Apim-Subscription-key is your Azure secret key for your Translator Text subscription.
+> * If you choose to use the multi-service Cognitive Services or regional Translator resource, two authentication headers will be required: (**Ocp-Api-Subscription-Key** and **Ocp-Apim-Subscription-Region**). The value for Ocp-Apim-Subscription-Region is the region associated with your subscription.
+> * For more information on how to use the **Ocp-Apim-Subscription-Region** header, _see_ [Text Translator REST API headers](translator-text-apis.md).
 
 ## Prerequisites
 
@@ -52,13 +52,12 @@ To call the Translator service via the [REST API](reference/rest-api-guide.md),
 
 For more information on Translator authentication options, _see_ the [Translator v3 reference](./reference/v3-0-reference.md#authentication) guide.
 
-|Header|Value| Condition  |
+Header|Value| Condition  |
 |--- |:--- |:---|
-|**Ocp-Apim-Subscription-Key** |Your Translator service key from the Azure portal.|<ul><li>***Required***</li></ul> |
-|**Content-Type**|The content type of the payload. The accepted value is **application/json** or **charset=UTF-8**.|<ul><li>***Required***</li></ul>|
-|**Content-Length**|The **length of the request** body.|<ul><li>***Optional***</li></ul> |
-|**X-ClientTraceId**|A client-generated GUID to uniquely identify the request. You can omit this header if you include the trace ID in the query string using a query parameter named ClientTraceId.|<ul><li>***Optional***</li></ul>
-|||
+|**Ocp-Apim-Subscription-Key** |Your Translator service key from the Azure portal.|&bullet; ***Required***|
+|**Ocp-Apim-Subscription-Region**|The region where your resource was created. |&bullet; ***Required*** when using a multi-service Cognitive Services or regional (non-global) resource.</br>&bullet; ***Optional*** when using a single-service global Translator Resource.
+|**Content-Type**|The content type of the payload. The accepted value is **application/json** or **charset=UTF-8**.|&bullet; **Required**|
+|**Content-Length**|The **length of the request** body.|&bullet; ***Optional***|
 
 > [!IMPORTANT]
 >
@@ -135,6 +134,10 @@ class Program
     private static readonly string key = "<your-translator-key>";
     private static readonly string endpoint = "https://api.cognitive.microsofttranslator.com";
 
+    // location, also known as region.
+    // required if you're using a multi-service or regional (not global) resource. It can be found in the Azure portal on the Keys and Endpoint page.
+    private static readonly string location = "<YOUR-RESOURCE-LOCATION>";
+
     static async Task Main(string[] args)
     {
         // Input and output languages are defined as parameters.
@@ -151,6 +154,8 @@ class Program
             request.RequestUri = new Uri(endpoint + route);
             request.Content = new StringContent(requestBody, Encoding.UTF8, "application/json");
             request.Headers.Add("Ocp-Apim-Subscription-Key", key);
+            // location required if you're using a multi-service or regional (not global) resource.
+            request.Headers.Add("Ocp-Apim-Subscription-Region", location);
 
             // Send the request and get response.
             HttpResponseMessage response = await client.SendAsync(request).ConfigureAwait(false);
@@ -251,6 +256,10 @@ func main() {
     endpoint := "https://api.cognitive.microsofttranslator.com/"
     uri := endpoint + "/translate?api-version=3.0"
 
+    // location, also known as region.
+    // required if you're using a multi-service or regional (not global) resource. It can be found in the Azure portal on the Keys and Endpoint page.
+    location := "<YOUR-RESOURCE-LOCATION>";
+
     // Build the request URL. See: https://go.dev/pkg/net/url/#example_URL_Parse
     u, _ := url.Parse(uri)
     q := u.Query()
@@ -274,6 +283,8 @@ func main() {
     }
     // Add required headers to the request
     req.Header.Add("Ocp-Apim-Subscription-Key", key)
+    // location required if you're using a multi-service or regional (not global) resource.
+    req.Header.Add("Ocp-Apim-Subscription-Region", location)
     req.Header.Add("Content-Type", "application/json")
 
     // Call the Translator API
@@ -433,6 +444,10 @@ import okhttp3.Response;
 
 public class TranslatorText {
     private static String key = "<your-translator-key";
+    
+    // location, also known as region.
+   // required if you're using a multi-service or regional (not global) resource. It can be found in the Azure portal on the Keys and Endpoint page.
+    private static String location = "<YOUR-RESOURCE-LOCATION>";
 
 
     // Instantiates the OkHttpClient.
@@ -447,6 +462,8 @@ public class TranslatorText {
                 .url("https://api.cognitive.microsofttranslator.com/translate?api-version=3.0&from=en&to=fr&to=zu")
                 .post(body)
                 .addHeader("Ocp-Apim-Subscription-Key", key)
+                // location required if you're using a multi-service or regional (not global) resource. 
+                .addHeader("Ocp-Apim-Subscription-Region", location) 
                 .addHeader("Content-type", "application/json")
                 .build();
         Response response = client.newCall(request).execute();
@@ -584,12 +601,18 @@ After a successful call, you should see the following response:
     let key = "<your-translator-key>";
     let endpoint = "https://api.cognitive.microsofttranslator.com";
 
+    // location, also known as region.
+    // required if you're using a multi-service or regional (not global) resource. It can be found in the Azure portal on the Keys and Endpoint page.
+    let location = "<YOUR-RESOURCE-LOCATION>";
+
     axios({
         baseURL: endpoint,
         url: '/translate',
         method: 'post',
         headers: {
             'Ocp-Apim-Subscription-Key': key,
+             // location required if you're using a multi-service or regional (not global) resource.
+            'Ocp-Apim-Subscription-Region': location,
             'Content-type': 'application/json',
             'X-ClientTraceId': uuidv4().toString()
         },
@@ -687,9 +710,9 @@ import requests, uuid, json
 key = "<your-translator-key>"
 endpoint = "https://api.cognitive.microsofttranslator.com"
 
-# Add your location, also known as region. The default is global.
-# This is required if using a Cognitive Services resource.
-location = "YOUR_RESOURCE_LOCATION"
+# location, also known as region.
+# required if you're using a multi-service or regional (not global) resource. It can be found in the Azure portal on the Keys and Endpoint page.
+location = "<YOUR-RESOURCE-LOCATION>"
 
 path = '/translate'
 constructed_url = endpoint + path
@@ -702,6 +725,8 @@ params = {
 
 headers = {
     'Ocp-Apim-Subscription-Key': key,
+    # location required if you're using a multi-service or regional (not global) resource.
+    'Ocp-Apim-Subscription-Region': location,
     'Content-type': 'application/json',
     'X-ClientTraceId': str(uuid.uuid4())
 }