Docstring

Author: tammy-baylis-swi

instrumentation/opentelemetry-instrumentation-django/src/opentelemetry/instrumentation/django/__init__.py

@@ -237,6 +237,29 @@ def response_hook(span, request, response):
 ***************************************
 The Django instrumentation reads from a Labeler utility that supports adding custom attributes to the HTTP duration metrics recorded by the instrumentation.
 
+.. code:: python
+
+    from django.http import HttpResponse
+    from opentelemetry.instrumentation._labeler import get_labeler
+    from opentelemetry.instrumentation.django import DjangoInstrumentor
+
+    DjangoInstrumentor().instrument()
+
+    # For urlpattern `/user/<user_id>/` mapped elsewhere
+    def my_user_view(request, user_id):
+        # Get the labeler for the current request
+        labeler = get_labeler()
+
+        # Add custom attributes to Flask instrumentation metrics
+        labeler.add("user_id", user_id)
+        labeler.add("user_type", "registered")
+
+        # Or, add multiple attributes at once
+        labeler.add_attributes({
+            "feature_flag": "new_ui",
+            "experiment_group": "control"
+        })
+        return HttpResponse("Done!")
 
 API
 ---