added logger channel

alt_login.module

@@ -216,7 +216,7 @@ function alt_login_user_presave(UserInterface $account) {
       }
       $account->setUsername($new_name);
       // Note that the the User RegisterForm logs user creation with another name.
-      \Drupal::logger('Alt Login')->notice('New user name set to '.$new_name);
+      \Drupal::logger('alt_login')->notice('New user name set to '.$new_name);
     }
   }
 }

alt_login.services.yml

 services:
   alt_login.method_manager:
     class: Drupal\alt_login\AltLoginMethodManager
-    arguments: ['@container.namespaces', '@module_handler', '@config.factory']
\ No newline at end of file
+    arguments: ['@container.namespaces', '@module_handler', '@config.factory']
+
+  logger.channel.alt_login:
+    parent: logger.channel_base
+    arguments: ['Alt Login']
+