def send_activity_notification(self) -> SendActivityNotificationRequestBuilder:
        """
        Provides operations to call the sendActivityNotification method.
        """
        from .send_activity_notification.send_activity_notification_request_builder import SendActivityNotificationRequestBuilder

        return SendActivityNotificationRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to call the sendActivityNotification method.
        
msgraph/generated/chats/item/chat_item_request_builder.py