Document python attributes kwarg for logs (#14072)

Documents based on feedback from
getsentry/sentry-python#4220 (comment)

Author: AbhiPrasad

platform-includes/logs/usage/python.mdx

@@ -2,7 +2,7 @@ Once the feature is enabled on the SDK and the SDK is initialized, you can send
 
 The `logger` namespace exposes six methods that you can use to log messages at different log levels: `trace`, `debug`, `info`, `warning`, `error`, and `fatal`.
 
-You can pass additional attributes directly to the logging functions. These properties will be sent to Sentry, and can be searched from within the Logs UI, and even added to the Logs views as a dedicated column.
+You can send structured messages by using the `{attribute_name}` placeholder syntax. The properties of this message will be sent to Sentry, and can be searched from within the Logs UI, and even added to the Logs views as a dedicated column.
 
 ```python
 from sentry_sdk import logger as sentry_logger
@@ -14,3 +14,19 @@ sentry_logger.warning('Rate limit reached for endpoint {endpoint}', endpoint='/a
 sentry_logger.error('Failed to process payment. Order: {order_id}. Amount: {amount}', order_id="or_2342", amount=99.99)
 sentry_logger.fatal('Database {database} connection pool exhausted', database="users")
 ```
+
+You can also pass additional attributes directly to the logging functions via the `attributes` kwarg.
+
+```python
+from sentry_sdk import logger as sentry_logger
+
+sentry_logger.error(
+    'Payment processing failed',
+    attributes={
+        'payment.provider': 'stripe',
+        'payment.method': 'credit_card',
+        'payment.currency': 'USD',
+        'user.subscription_tier': 'premium'
+    }
+)
+```