The following list of request parameters only lists interface request parameters and some public parameters, For a complete list of public parameters see public request parameters.

Parameter name	Required	Allow NULL	Type	Description
Action	Yes	No	String	Public parameter, The value of this interface: InquiryPriceResizeDisk
Version	Yes	No	String	Public parameter, The value of this interface: 2017-03-12
Region	No	No	String	Public parameter,Regional information A list of supported geographies is available through the DescribeRegions interface
DiskId	Yes	No	String	Cloud disk ID. It can be queried through the DescribeDisks API. Example: disk-dw0bbzws
DiskSize	Yes	No	Uint64	Size after cloud disk scaling, in GB. It cannot be smaller than the current cloud disk size. Value range: Common cloud disk: 10 GB to 4000 GB; high performance cloud disk: 50 GB to 4000 GB; SSD cloud disk: 100 GB to 4000 GB. The step is 10 GB. Example: 200
ProjectId	No	No	Uint64	Cloud disk's project ID. If this parameter is input, it is only used for authentication. Example: 1002189

3. Output Parameters

Parameter name	Type	Description
DiskPrice	Price	It describes the price for scaling cloud disks. Example:View
RequestId	String	Unique request id, Each request will return. The RequestId of the request needs to be provided when locating the problem.

4. Error Code

The following lists only the error codes related to the interface business logic, For other error codes, see public ErrorCode.

Error Code	Description
InvalidParameterValue	Invalid parameter value. The format of the parameter value is incorrect or the parameter value is not supported.
MissingParameter	Missing parameter. The request does not include the mandatory parameter.
InvalidDisk.NotPortable	Non-elastic cloud disks are not supported.
InvalidInstanceId.NotFound	The input `InstanceId` does not exist.
InvalidDisk.Expire	The cloud disk has expired.