diff --git a/lms/djangoapps/courseware/tests/test_views.py b/lms/djangoapps/courseware/tests/test_views.py
index ed0b4bf5b7e0..d584b58fbc7d 100644
--- a/lms/djangoapps/courseware/tests/test_views.py
+++ b/lms/djangoapps/courseware/tests/test_views.py
@@ -78,10 +78,10 @@
 from lms.djangoapps.courseware.tests.helpers import MasqueradeMixin, get_expiration_banner_text, set_preview_mode
 from lms.djangoapps.courseware.testutils import RenderXBlockTestMixin
 from lms.djangoapps.courseware.toggles import (
-    COURSEWARE_MICROFRONTEND_DISCUSSION_SIDEBAR_OPEN_DISABLED,
     COURSEWARE_MICROFRONTEND_SIDEBAR_DISABLED,
     COURSEWARE_MICROFRONTEND_SEARCH_ENABLED,
     COURSEWARE_OPTIMIZED_RENDER_XBLOCK,
+    COURSEWARE_SHOW_DEFAULT_RIGHT_SIDEBAR,
 )
 from lms.djangoapps.courseware.user_state_client import DjangoXBlockUserStateClient
 from lms.djangoapps.courseware.views.views import (
@@ -3826,7 +3826,7 @@ def test_is_mfe_sidebar_enabled(self):
 
 class TestMFEDiscussionSidebarEnabledAPI(SharedModuleStoreTestCase):
     """
-    Tests the endpoint to fetch the Courseware Discussion Sidebar waffle flag status.
+    Tests the endpoint to fetch the Courseware Discussion/Notifications Sidebar waffle flag status.
     """
 
     def setUp(self):
@@ -3835,12 +3835,12 @@ def setUp(self):
         self.course = CourseFactory.create()
 
         self.client = APIClient()
-        self.apiUrl = reverse('discussion_sidebar_enabled_view', kwargs={'course_id': str(self.course.id)})
+        self.apiUrl = reverse('show_default_right_sidebar_enabled_view', kwargs={'course_id': str(self.course.id)})
 
-    @override_waffle_flag(COURSEWARE_MICROFRONTEND_DISCUSSION_SIDEBAR_OPEN_DISABLED, active=True)
-    def test_is_mfe_discussion_sidebar_opening_disabled(self):
+    @override_waffle_flag(COURSEWARE_SHOW_DEFAULT_RIGHT_SIDEBAR, active=False)
+    def test_is_mfe_show_default_right_sidebar_disabled(self):
         """
-        Getter to check if discussion sidebar shouldn't be opened by default.
+        Getter to check if right sidebar shouldn't be opened by default.
         """
         response = self.client.get(self.apiUrl, content_type='application/json')
         body = json.loads(response.content.decode('utf-8'))
@@ -3848,10 +3848,10 @@ def test_is_mfe_discussion_sidebar_opening_disabled(self):
         self.assertEqual(response.status_code, 200)
         self.assertEqual(body, {'enabled': False})
 
-    @override_waffle_flag(COURSEWARE_MICROFRONTEND_DISCUSSION_SIDEBAR_OPEN_DISABLED, active=False)
-    def test_is_mfe_discussion_sidebar_opening_enabled(self):
+    @override_waffle_flag(COURSEWARE_SHOW_DEFAULT_RIGHT_SIDEBAR, active=True)
+    def test_is_mfe_show_default_right_sidebar_enabled(self):
         """
-        Getter to check if discussion sidebar should be opened by default.
+        Getter to check if right sidebar should be opened by default.
         """
         response = self.client.get(self.apiUrl, content_type='application/json')
         body = json.loads(response.content.decode('utf-8'))
diff --git a/lms/djangoapps/courseware/toggles.py b/lms/djangoapps/courseware/toggles.py
index a4dfed7e696a..ba319ca98928 100644
--- a/lms/djangoapps/courseware/toggles.py
+++ b/lms/djangoapps/courseware/toggles.py
@@ -94,17 +94,20 @@
     f'{WAFFLE_FLAG_NAMESPACE}.disable_navigation_sidebar', __name__
 )
 
-# .. toggle_name: courseware.disable_default_opening_discussion_sidebar
+# .. toggle_name: courseware.show_default_right_sidebar
 # .. toggle_implementation: WaffleFlag
 # .. toggle_default: False
-# .. toggle_description: Disable opening the discussion sidebar by default on Learning MFE.
+# .. toggle_description: If waffle flag disabled
+# Discussions or Notifications sidebar shouldn't be displayed at all on Learning MFE.
+# If waffle flag enabled - Discussions opens always on the pages with discussions,
+# if user is in Audit and course has verified mode - show Notifications.
 # .. toggle_use_cases: temporary
-# .. toggle_creation_date: 2024-03-13
+# .. toggle_creation_date: 2024-04-11
 # .. toggle_target_removal_date: None
-# .. toggle_tickets: AXIMST-629
+# .. toggle_tickets: FC-0056
 # .. toggle_warning: None.
-COURSEWARE_MICROFRONTEND_DISCUSSION_SIDEBAR_OPEN_DISABLED = CourseWaffleFlag(
-    f'{WAFFLE_FLAG_NAMESPACE}.disable_default_opening_discussion_sidebar', __name__
+COURSEWARE_SHOW_DEFAULT_RIGHT_SIDEBAR = CourseWaffleFlag(
+    f'{WAFFLE_FLAG_NAMESPACE}.show_default_right_sidebar', __name__
 )
 
 # .. toggle_name: courseware.mfe_progress_milestones_streak_discount_enabled
@@ -218,11 +221,11 @@ def courseware_mfe_sidebar_is_disabled(course_key=None):
     return COURSEWARE_MICROFRONTEND_SIDEBAR_DISABLED.is_enabled(course_key)
 
 
-def courseware_mfe_discussion_sidebar_opening_is_disabled(course_key=None):
+def courseware_show_default_right_sidebar_is_enabled(course_key=None):
     """
-    Return whether the courseware.disable_default_opening_discussion_sidebar flag is on.
+    Return whether the courseware.show_default_right_sidebar flag is on.
     """
-    return COURSEWARE_MICROFRONTEND_DISCUSSION_SIDEBAR_OPEN_DISABLED.is_enabled(course_key)
+    return COURSEWARE_SHOW_DEFAULT_RIGHT_SIDEBAR.is_enabled(course_key)
 
 
 def courseware_mfe_navigation_sidebar_blocks_caching_is_enabled(course_key=None):
diff --git a/lms/djangoapps/courseware/views/views.py b/lms/djangoapps/courseware/views/views.py
index a21f4952aeb0..b1a849e853b8 100644
--- a/lms/djangoapps/courseware/views/views.py
+++ b/lms/djangoapps/courseware/views/views.py
@@ -88,9 +88,9 @@
 from lms.djangoapps.courseware.permissions import MASQUERADE_AS_STUDENT, VIEW_COURSE_HOME, VIEW_COURSEWARE
 from lms.djangoapps.courseware.toggles import (
     course_is_invitation_only,
-    courseware_mfe_discussion_sidebar_opening_is_disabled,
     courseware_mfe_search_is_enabled,
     courseware_mfe_sidebar_is_disabled,
+    courseware_show_default_right_sidebar_is_enabled,
 )
 from lms.djangoapps.courseware.user_state_client import DjangoXBlockUserStateClient
 from lms.djangoapps.courseware.utils import (
@@ -2288,12 +2288,15 @@ def courseware_mfe_sidebar_enabled(request, course_id=None):
 
 
 @api_view(['GET'])
-def courseware_mfe_discussion_sidebar_opening_is_enabled(request, course_id=None):
+def courseware_mfe_show_default_right_sidebar_is_enabled(request, course_id=None):
     """
     Simple GET endpoint to expose whether the course may open discussion sidebar by default.
     """
-    course_key = CourseKey.from_string(course_id) if course_id else None
+    try:
+        course_key = CourseKey.from_string(course_id) if course_id else None
+    except InvalidKeyError:
+        return JsonResponse({"error": "Invalid course_id"})
 
     return JsonResponse({
-        "enabled": not courseware_mfe_discussion_sidebar_opening_is_disabled(course_key)
+        "enabled": courseware_show_default_right_sidebar_is_enabled(course_key)
     })
diff --git a/lms/urls.py b/lms/urls.py
index c519136b5a96..e6f287d2b8d2 100644
--- a/lms/urls.py
+++ b/lms/urls.py
@@ -755,9 +755,9 @@
         name='courseware_sidebar_enabled_view',
     ),
     re_path(
-        fr'^courses/{settings.COURSE_ID_PATTERN}/discussion-sidebar/enabled/$',
-        courseware_views.courseware_mfe_discussion_sidebar_opening_is_enabled,
-        name='discussion_sidebar_enabled_view',
+        fr'^courses/{settings.COURSE_ID_PATTERN}/show-default-right-sidebar/enabled/$',
+        courseware_views.courseware_mfe_show_default_right_sidebar_is_enabled,
+        name='show_default_right_sidebar_enabled_view',
     ),
 ]