diff --git a/apps/course/urls.py b/apps/course/urls.py
index a7bd540..2ef331a 100644
--- a/apps/course/urls.py
+++ b/apps/course/urls.py
@@ -18,7 +18,7 @@ urlpatterns = [
     path('online/token/validate/', views.CourseOnlineClassTokenValidateAPIView.as_view(), name='course-online-token-validate'),
     re_path(r'(?P<slug>[\w-]+)/online/room/create/$', views.CourseLiveSessionRoomCreateAPIView.as_view(), name='course-live-session-room-create'),
     path('online/room/token/', views.CourseLiveSessionTokenAPIView.as_view(), name='course-live-session-token'),
-    path('<int:course_id>/live-sessions/recorded-file/', views.CourseLiveSessionRecordedFileAPIView.as_view(), name='course-live-session-recorded-file'),
+    path('live-sessions/<str:room_slug>/recorded-file/', views.CourseLiveSessionRecordedFileAPIView.as_view(), name='course-live-session-recorded-file'),
     
     # PlugNMeet webhook endpoint
     path('plugnmeet/webhook/', views.PlugNMeetWebhookAPIView.as_view(), name='plugnmeet-webhook'),
diff --git a/apps/course/views/live_session.py b/apps/course/views/live_session.py
index 9c8328b..557dcdd 100644
--- a/apps/course/views/live_session.py
+++ b/apps/course/views/live_session.py
@@ -608,9 +608,9 @@ class CourseLiveSessionRecordedFileAPIView(GenericAPIView):
         tags=["Imam-Javad - Course"],
         manual_parameters=[
             openapi.Parameter(
-                'course_id', openapi.IN_PATH,
-                description="Course ID",
-                type=openapi.TYPE_INTEGER,
+                'room_slug', openapi.IN_PATH,
+                description="Room Slug (e.g. room-16)",
+                type=openapi.TYPE_STRING,
                 required=True
             )
         ],
@@ -620,8 +620,17 @@ class CourseLiveSessionRecordedFileAPIView(GenericAPIView):
             )
         }
     )
-    def patch(self, request, course_id, *args, **kwargs):
-        logger.info(f"[LiveSession Recorded File] Request from user_id={request.user.id} for course_id={course_id}")
+    def patch(self, request, room_slug, *args, **kwargs):
+        logger.info(f"[LiveSession Recorded File] Request from user_id={request.user.id} for room_slug={room_slug}")
+
+        import re
+        match = re.search(r'\d+', room_slug)
+        if not match:
+            logger.error(f"[LiveSession Recorded File] Invalid room_slug: {room_slug}")
+            raise AppAPIException({'message': f'Invalid room slug: {room_slug}'}, status_code=status.HTTP_400_BAD_REQUEST)
+        
+        course_id = int(match.group())
+        logger.info(f"[LiveSession Recorded File] Extracted course_id={course_id} from room_slug={room_slug}")
 
         course = get_object_or_404(Course, id=course_id)