[DocumentIntelligence] Default authentication to Token Credential (Azure#46448)

Author: kinelski

sdk/documentintelligence/Azure.AI.DocumentIntelligence/MigrationGuide.md

@@ -65,8 +65,7 @@ We continue to support API key and AAD authentication methods when creating the
 Creating new clients in `Azure.AI.FormRecognizer`:
 ```C#
 string endpoint = "<endpoint>";
-string apiKey = "<apiKey>";
-var credential = new AzureKeyCredential(apiKey);
+var credential = new DefaultAzureCredential();
 
 var documentAnalysisClient = new DocumentAnalysisClient(new Uri(endpoint), credential);
 var documentModelAdministrationClient = new DocumentModelAdministrationClient(new Uri(endpoint), credential);
@@ -75,8 +74,7 @@ var documentModelAdministrationClient = new DocumentModelAdministrationClient(ne
 Creating new clients in `Azure.AI.DocumentIntelligence`:
 ```C# Snippet:Migration_CreateBothDocumentIntelligenceClients
 string endpoint = "<endpoint>";
-string apiKey = "<apiKey>";
-var credential = new AzureKeyCredential(apiKey);
+var credential = new DefaultAzureCredential();
 
 var documentIntelligenceClient = new DocumentIntelligenceClient(new Uri(endpoint), credential);
 var documentIntelligenceAdministrationClient = new DocumentIntelligenceAdministrationClient(new Uri(endpoint), credential);
@@ -352,7 +350,7 @@ Differences between the versions:
 Building a document model with `Azure.AI.FormRecognizer`:
 ```C#
 Uri blobContainerUri = new Uri("<blobContainerUri>");
-var client = new DocumentModelAdministrationClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
+var client = new DocumentModelAdministrationClient(new Uri(endpoint), new DefaultAzureCredential());
 
 BuildDocumentModelOperation operation = await client.BuildDocumentModelAsync(WaitUntil.Completed, blobContainerUri, DocumentBuildMode.Template);
 DocumentModelDetails model = operation.Value;

sdk/documentintelligence/Azure.AI.DocumentIntelligence/README.md

@@ -97,7 +97,7 @@ az cognitiveservices account keys list --name "<resource-name>" --resource-group
 
 Once you have the value for the API key, create an `AzureKeyCredential`. With the endpoint and key credential, you can create the [`DocumentIntelligenceClient`][doc_intelligence_client_class]:
 
-```C# Snippet:CreateDocumentIntelligenceClient
+```C# Snippet:CreateDocumentIntelligenceClientApiKey
 string endpoint = "<endpoint>";
 string apiKey = "<apiKey>";
 var client = new DocumentIntelligenceClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
@@ -117,9 +117,10 @@ You will also need to [register a new AAD application][register_aad_app] and [gr
 
 Set the values of the client ID, tenant ID, and client secret of the AAD application as environment variables: AZURE_CLIENT_ID, AZURE_TENANT_ID, AZURE_CLIENT_SECRET.
 
-```C# Snippet:CreateDocumentIntelligenceClientTokenCredential
+```C# Snippet:CreateDocumentIntelligenceClient
 string endpoint = "<endpoint>";
-var client = new DocumentIntelligenceClient(new Uri(endpoint), new DefaultAzureCredential());
+var credential = new DefaultAzureCredential();
+var client = new DocumentIntelligenceClient(new Uri(endpoint), credential);
 ```
 
 ## Key concepts

sdk/documentintelligence/Azure.AI.DocumentIntelligence/assets.json

@@ -2,5 +2,5 @@
   "AssetsRepo": "Azure/azure-sdk-assets",
   "AssetsRepoPrefixPath": "net",
   "TagPrefix": "net/documentintelligence/Azure.AI.DocumentIntelligence",
-  "Tag": "net/documentintelligence/Azure.AI.DocumentIntelligence_76280009cf"
+  "Tag": "net/documentintelligence/Azure.AI.DocumentIntelligence_ac9b1a968f"
 }

sdk/documentintelligence/Azure.AI.DocumentIntelligence/samples/Sample_AddOnCapabilities.md

@@ -14,8 +14,8 @@ You can set `endpoint` and `apiKey` based on an environment variable, a configur
 
 ```C# Snippet:CreateDocumentIntelligenceClient
 string endpoint = "<endpoint>";
-string apiKey = "<apiKey>";
-var client = new DocumentIntelligenceClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
+var credential = new DefaultAzureCredential();
+var client = new DocumentIntelligenceClient(new Uri(endpoint), credential);
 ```
 
 ## High resolution extraction

sdk/documentintelligence/Azure.AI.DocumentIntelligence/samples/Sample_AnalyzeWithPrebuiltModel.md

@@ -12,8 +12,8 @@ You can set `endpoint` and `apiKey` based on an environment variable, a configur
 
 ```C# Snippet:CreateDocumentIntelligenceClient
 string endpoint = "<endpoint>";
-string apiKey = "<apiKey>";
-var client = new DocumentIntelligenceClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
+var credential = new DefaultAzureCredential();
+var client = new DocumentIntelligenceClient(new Uri(endpoint), credential);
 ```
 
 ## Use a prebuilt model to analyze a document from a URI

sdk/documentintelligence/Azure.AI.DocumentIntelligence/samples/Sample_BuildCustomModel.md

@@ -14,8 +14,8 @@ You can set `endpoint` and `apiKey` based on an environment variable, a configur
 
 ```C# Snippet:CreateDocumentIntelligenceAdministrationClient
 string endpoint = "<endpoint>";
-string apiKey = "<apiKey>";
-var client = new DocumentIntelligenceAdministrationClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
+var credential = new DefaultAzureCredential();
+var client = new DocumentIntelligenceAdministrationClient(new Uri(endpoint), credential);
 ```
 
 ## Build a custom model

sdk/documentintelligence/Azure.AI.DocumentIntelligence/samples/Sample_BuildDocumentClassifier.md

@@ -14,8 +14,8 @@ You can set `endpoint` and `apiKey` based on an environment variable, a configur
 
 ```C# Snippet:CreateDocumentIntelligenceAdministrationClient
 string endpoint = "<endpoint>";
-string apiKey = "<apiKey>";
-var client = new DocumentIntelligenceAdministrationClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
+var credential = new DefaultAzureCredential();
+var client = new DocumentIntelligenceAdministrationClient(new Uri(endpoint), credential);
 ```
 
 ## Build a document classifier

sdk/documentintelligence/Azure.AI.DocumentIntelligence/samples/Sample_ClassifyDocument.md

@@ -12,8 +12,8 @@ You can set `endpoint` and `apiKey` based on an environment variable, a configur
 
 ```C# Snippet:CreateDocumentIntelligenceClient
 string endpoint = "<endpoint>";
-string apiKey = "<apiKey>";
-var client = new DocumentIntelligenceClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
+var credential = new DefaultAzureCredential();
+var client = new DocumentIntelligenceClient(new Uri(endpoint), credential);
 ```
 
 ## Classify a document from a URI

sdk/documentintelligence/Azure.AI.DocumentIntelligence/samples/Sample_CopyCustomModel.md

@@ -26,8 +26,8 @@ The source client that contains the custom model to copy.
 
 ```C# Snippet:DocumentIntelligenceSampleCreateCopySourceClient
 string sourceEndpoint = "<sourceEndpoint>";
-string sourceApiKey = "<sourceApiKey>";
-var sourceClient = new DocumentIntelligenceAdministrationClient(new Uri(sourceEndpoint), new AzureKeyCredential(sourceApiKey));
+var sourceResourceCredential = new DefaultAzureCredential();
+var sourceClient = new DocumentIntelligenceAdministrationClient(new Uri(sourceEndpoint), sourceResourceCredential);
 ```
 
 ### Target client
@@ -36,8 +36,8 @@ The target client to copy the custom model to.
 
 ```C# Snippet:DocumentIntelligenceSampleCreateCopyTargetClient
 string targetEndpoint = "<targetEndpoint>";
-string targetApiKey = "<targetApiKey>";
-var targetClient = new DocumentIntelligenceAdministrationClient(new Uri(targetEndpoint), new AzureKeyCredential(targetApiKey));
+var targetResourceCredential = new DefaultAzureCredential();
+var targetClient = new DocumentIntelligenceAdministrationClient(new Uri(targetEndpoint), targetResourceCredential);
 ```
 
 ### Authorize the copy

sdk/documentintelligence/Azure.AI.DocumentIntelligence/samples/Sample_ExtractLayout.md

@@ -12,8 +12,8 @@ You can set `endpoint` and `apiKey` based on an environment variable, a configur
 
 ```C# Snippet:CreateDocumentIntelligenceClient
 string endpoint = "<endpoint>";
-string apiKey = "<apiKey>";
-var client = new DocumentIntelligenceClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
+var credential = new DefaultAzureCredential();
+var client = new DocumentIntelligenceClient(new Uri(endpoint), credential);
 ```
 
 ## Extract the layout of a document from a URI