Merge pull request #525 from infrabel/feature/updated-docs-proxy-configuration

Added configuration example in README.md when configuring a GraphServiceClient behind a corporate HTTP proxy

Author: baywet

README.md

@@ -77,13 +77,13 @@ You must create **GraphServiceClient** object to make requests against the servi
 from azure.identity.aio import ClientSecretCredential
 from msgraph import GraphServiceClient
 
-credential = ClientSecretCredential(
+credentials = ClientSecretCredential(
     'TENANT_ID',
     'CLIENT_ID',
     'CLIENT_SECRET',
 )
 scopes = ['https://graph.microsoft.com/.default']
-client = GraphServiceClient(credentials=credential, scopes=scopes)
+client = GraphServiceClient(credentials=credentials, scopes=scopes)
 ```
 
 The above example uses default scopes for [app-only access](https://learn.microsoft.com/en-us/graph/permissions-overview?tabs=http#application-permissions).  If using [delegated access](https://learn.microsoft.com/en-us/graph/permissions-overview#delegated-permissions) you can provide custom scopes:
@@ -93,14 +93,16 @@ The above example uses default scopes for [app-only access](https://learn.micros
 from azure.identity import DeviceCodeCredential
 from msgraph import GraphServiceClient
 
-credential=DeviceCodeCredential(
+credentials = DeviceCodeCredential(
     'CLIENT_ID',
     'TENANT_ID',
 )
 scopes = ['User.Read', 'Mail.Read']
-client = GraphServiceClient(credentials=credential, scopes=scopes)
+client = GraphServiceClient(credentials=credentials, scopes=scopes)
 ```
 
+> **Note**: Refer to the [following documentation page](https://learn.microsoft.com/graph/sdks/customize-client?tabs=python#configuring-the-http-proxy-for-the-client) if you need to configure an HTTP proxy.
+
 ## 3. Make requests against the service
 
 After you have a **GraphServiceClient** that is authenticated, you can begin making calls against the service. The requests against the service look like our [REST API](https://docs.microsoft.com/graph/api/overview?view=graph-rest-1.0).