def get_default_config(self):
        """
        Return the default config for the handler
        """
        config = super(PubsubHandler, self).get_default_config()

        config.update({
            'topic': 'projects/my-project/topics/default-topic',
            'scopes': 'https://www.googleapis.com/auth/pubsub',
            'retries': 3,
            'batch': None,
            'batch_size': 0,
            'tags': ''
        })

        return config

        Return the default config for the handler
        
src/diamond/handler/pubsub.py