# AmazonChangeRdsInstanceClassParameters Object

## Description

Parameters for the Amazon Change RDS Instance Class action.

## Properties

### credentialIds

Registered credentials to use with the action. One and only one credential must be specified.

Type: Array of `string`

Required: Yes

### dbInstanceId

Instance ID of the RDS instance which will be changed. Required when `instanceIdentificationMethod` is `by-instance-id`.

Type: `string`

Required: Conditional

### dbInstanceClass

New instance class for the RDS instance.

Type: `string`

Required: No

### instanceIdentificationMethod

Method of identifying the RDS instance.

Type: `string`

Valid Values:

* `by-instance-id`

Required: Yes

### regionNames

Regions to use with the action. One and only one region must be specified.

Type: Array of `string`

Required: Yes

### revertTimeInSeconds

Time (in seconds) after which the RDS instance will be reverted to its original settings.

Type: `integer`

Required: No

## Sample JSON

```javascript
{
    "credentialIds": [
        "cred-00000001"
    ],
    "regionNames": [
        "us-east-1"
    ],
    "instanceIdentificationMethod": "by-instance-id",
    "dbInstanceId": "my-rds-instance",

    "dbInstanceClass": "db.m4.xlarge",

    "revertTimeInSeconds": 43200
}
```