CallbackExtension - DataWorks - Alibaba Cloud Documentation Center

Debugging

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Request parameters

Parameter	Type	Required	Example	Description
Action	String	Yes	CallbackExtension	The operation that you want to perform. Set the value to CallbackExtension.
ExtensionCode	String	Yes	8abcb91f-d266-4073-b907-2ed670378ed1	The unique code of the extension.
MessageId	String	Yes	034********091	The message ID. You can obtain the ID from the received message when the extension point event is triggered.
CheckResult	String	Yes	FAIL	The check status of the extension point event. Valid values: OK: The event passes the check. FAIL: The event fails to pass the check. You must check and handle the reported error at the earliest opportunity to ensure that your program is run as expected. WARN: The event passes the check, but an alert is reported.
CheckMessage	String	No	The xxx rule is triggered. Fix the error and try again.	If CheckResult is set to FAIL, provide the failure cause.

Response parameters

Parameter

Type

Example

Description

RequestId

String

7C352CB7-CD88-50CF-9D0D-E81BDF020E7F

The unique ID of the request.

Success

String

true

Indicates whether the request was successful. Valid values:

true

false

Examples

Sample requests

http(s)://[Endpoint]/?Action=CallbackExtension
&ExtensionCode=8abcb91f-d266-4073-b907-2ed670378ed1
&MessageId=03400b03-b721-4c34-8727-2d6884077091
&CheckResult=FAIL
&CheckMessage=The xxx rule is triggered. Fix the error and try again.
&Common request parameters

Sample success responses

XML format

HTTP/1.1 200 OK
Content-Type:application/xml

<CallbackExtensionResponse>
    <RequestId>7C352CB7-CD88-50CF-9D0D-E81BDF020E7F</RequestId>
    <Success>true</Success>
</CallbackExtensionResponse>

JSON format

HTTP/1.1 200 OK
Content-Type:application/json

{
  "RequestId" : "7C352CB7-CD88-50CF-9D0D-E81BDF020E7F",
  "Success" : "true"
}

Error codes

For a list of error codes, see Service error codes.