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: DescribeHistoryAccounts
Version	Yes	No	String	Public parameter, The value of this interface: 2018-02-28
Region	No	No	String	Public parameter,Regional information This interface does not need to pass this parameter.
Filters	No	No	Array of Filter	Filter condition. Username - String - Required: No - Account name. Example:View
Limit	No	No	Uint64	Number of items returned. The default value is 10, and the maximum value is 100. Example: 10
Offset	No	No	Uint64	Offset. Default value: 0. Example: 0
Uuid	Yes	No	String	Unique UUID of the CWP client. Example: 5a540076-d38a-4078-aa98-qwert371d322

3. Output Parameters

Parameter name	Type	Description
HistoryAccounts	Array of HistoryAccount	Account change history data. Example:View
TotalCount	Uint64	Total number of records in the account change history list. Example: 100
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
InternalError	Internal error.
InvalidParameter.ParsingError	Parameter parsing error.
InvalidParameter.InvalidFormat	Incorrect parameter format.
MissingParameter	Missing parameter.
InvalidParameter.IllegalRequest	Invalid request.
InvalidParameter	Invalid parameter.
InvalidParameterValue	The parameter value is invalid.