def METHOD_NAME(self):
    self.ctx.args.backup_instance_name = self.ctx.args.backup_instance['backup_instance_name']
    self.ctx.set_var(
        "instance",
        self.ctx.args.backup_instance.to_serialized_data(),
        schema_builder=self.BackupInstancesCreateOrUpdate._build_schema_on_200_201
    )