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: SwitchParameterResizeDisk
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-7q2iy7gp
DiskSize	Yes	No	Uint64	The disk size after scaling. It must be greater than the current value, with a maximum of 4000 GB and a step of 10 GB. Example: 100

3. Output Parameters

Parameter name	Type	Description
DiskOrder	Array of DiskOrder	Billing order parameters. 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.NotSupported	The cloud disk does not support this operation.
InvalidDiskId.NotFound	The input `DiskId` does not exist.