DescribeEventNames - E-MapReduce - Alibaba Cloud Documentation Center

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Request syntax

POST /webapi/event/describeEventNames HTTP/1.1

Request parameters

Parameter	Type	Required	Description	Example
InstanceId	string	No	The instance ID.	c-b25e21e24388****

Response elements

Element	Type	Description	Example
	object
HttpStatusCode	integer	The HTTP status code.	200
RequestId	string	The request ID.	32A44F0D-BFF6-5664-999A-218BBDE74XXX
Success	boolean	Indicates whether the request was successful.	false
Total	integer	The total number of instances.	3
ErrCode	string	The error code.	InvalidParams
ErrMessage	string	The error message.	Invalid params: [instance not exists].
Data	array	The returned data.
	string	The event name.	The current user's downstream bandwidth exceeds the throttling threshold

Examples

Success response

JSON format

{
  "HttpStatusCode": 200,
  "RequestId": "32A44F0D-BFF6-5664-999A-218BBDE74XXX\n",
  "Success": false,
  "Total": 3,
  "ErrCode": "InvalidParams",
  "ErrMessage": "Invalid params: [instance not exists].",
  "Data": [
    "The current user's downstream bandwidth exceeds the throttling threshold"
  ]
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.