ApsaraDB for MongoDB:ModifyNodeSpecBatch

The region ID of the instance. You can call the DescribeRegions operation to query the most recent region list.

The ID of the instance whose configurations you want to change.

The configuration information of the mongos nodes or shard nodes whose configurations you want to change. For more information, see Instance types.

The client token that is used to ensure the idempotence of the request. You can use the client to generate the value, but you must ensure that it is unique among different requests. The token can contain only ASCII characters and cannot exceed 64 characters in length.

Specifies whether to enable automatic payment. Valid values:

• true: enables automatic payment. Make sure that you have sufficient balance within your account.
• false: disables automatic payment. You can perform the following operations to pay for the instance: Log on to the ApsaraDB for MongoDB console. In the upper-right corner of the page, click Expenses to go to the Billing Management console. In the left-side navigation pane, click Orders. On the Orders page, find the order and complete the payment.

Default value: true.

The time when the changed configurations take effect. Valid values:

• Immediately: The configurations immediately take effect.
• MaintainTime: The configurations take effect during the maintenance window of the instance.

• You can call the ModifyDBInstanceMaintainTime operation to modify the maintenance window of an instance.

• You can call the DescribeDBInstanceAttribute operation to view the maintenance window of an instance.

Default value: Immediately.

The type of configuration changes. Valid values:

• UPGRADE
• DOWNGRADE

The coupon code. Default value: youhuiquan_promotion_option_id_for_blank.

The business information.