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: InquirePriceModifyDiskExtraPerformance
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
ThroughputPerformance	Yes	No	Uint64	Additional cloud disk performance value to be purchased (in MB/s). Example: 200
DiskId	Yes	No	String	Cloud disk ID. It can be queried through the DescribeDisks API. Example: disk-dritwhhm

3. Output Parameters

Parameter name	Type	Description
DiskPrice	Price	It describes the price when adjusting extra performance for 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.Expire	The cloud disk has expired.
InvalidParameter	Parameter error