diff --git a/app/graphql/mutations/notifications/delete_notification.rb b/app/graphql/mutations/notifications/delete_notification.rb
new file mode 100644
index 0000000..0f951f9
--- /dev/null
+++ b/app/graphql/mutations/notifications/delete_notification.rb
@@ -0,0 +1,25 @@
+module Mutations
+    module Notifications
+      class DeleteNotification < BaseMutation
+        graphql_name 'DeleteNotification'
+  
+        # Input argument to indicate which notification to delete.
+        argument :id, ID, required: true
+  
+        # The response indicates success and returns any errors.
+        field :success, Boolean, null: false
+        field :errors, [String], null: false
+  
+        def resolve(id:)
+          notification = Notification.find_by(id: id)
+          return { success: false, errors: ["Notification not found"] } unless notification
+  
+          if notification.destroy
+            { success: true, errors: [] }
+          else
+            { success: false, errors: notification.errors.full_messages }
+          end
+        end
+      end
+    end
+  end
\ No newline at end of file
diff --git a/app/graphql/mutations/notifications/mark_notification_as_read.rb b/app/graphql/mutations/notifications/mark_notification_as_read.rb
new file mode 100644
index 0000000..1774539
--- /dev/null
+++ b/app/graphql/mutations/notifications/mark_notification_as_read.rb
@@ -0,0 +1,26 @@
+module Mutations
+    module Notifications
+      class MarkNotificationAsRead < BaseMutation
+        graphql_name 'MarkNotificationAsRead'
+  
+        # Input argument to indicate which notification to update.
+        argument :id, ID, required: true
+  
+        # The response includes the updated notification and any errors.
+        field :notification, Types::NotificationType, null: true
+        field :errors, [String], null: false
+  
+        def resolve(id:)
+          notification = Notification.find_by(id: id)
+          return { notification: nil, errors: ["Notification not found"] } unless notification
+  
+          notification.read = true
+          if notification.save
+            { notification: notification, errors: [] }
+          else
+            { notification: nil, errors: notification.errors.full_messages }
+          end
+        end
+      end
+    end
+  end
\ No newline at end of file