diff --git a/app/graphql/mutations/notifications/create_notification.rb b/app/graphql/mutations/notifications/create_notification.rb
new file mode 100644
index 0000000..1050c36
--- /dev/null
+++ b/app/graphql/mutations/notifications/create_notification.rb
@@ -0,0 +1,32 @@
+module Mutations
+    module Notifications
+      class CreateNotification < BaseMutation
+        graphql_name 'CreateNotification'
+  
+        # Required arguments for creating a notification.
+        argument :title, String, required: true
+        argument :body, String, required: false
+        argument :user_id, ID, required: true
+  
+        # Fields returned by the mutation.
+        field :notification, Types::NotificationType, null: true
+        field :errors, [String], null: false
+  
+        def resolve(title:, body: nil, user_id:)
+          notification = Notification.new(title: title, body: body, user_id: user_id)
+  
+          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
diff --git a/app/graphql/mutations/notifications/update_notification.rb b/app/graphql/mutations/notifications/update_notification.rb
new file mode 100644
index 0000000..1774539
--- /dev/null
+++ b/app/graphql/mutations/notifications/update_notification.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