UpdateTaskOutput - Data Management - Alibaba Cloud Documentation Center

Updates the output variables for a task node.

Operation description

Only nodes of single-instance SQL assignment, script code, and ECS remote command have output variables.

Debugging

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Debug

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

Operation: the value that you can use in the Action element to specify the operation on a resource.
Access level: the access level of each operation. The levels are read, write, and list.
Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
Condition Key: the condition key that is defined by the cloud service.
Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.

Operation	Access level	Resource type	Condition key	Associated operation
dms:UpdateTaskOutput	update	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
Tid	long	No	The ID of the tenant. Note To view the ID of the tenant, go to the Data Management (DMS) console and move the pointer over the profile picture in the upper-right corner. For more information, see View information about the current tenant.	3***
NodeId	string	Yes	The ID of the node. You can call the GetTaskInstanceRelation operation to query the node ID.	14059
NodeOutput	string	No	The output variables for the task.	{“outputs”:[{"row":0, "column":-1,"combiner":","}"extractMethod":"{\"row\":0,\"column\":-1,\"combiner\":\",\"}", "variableName":"var", "description":"For demo" }]}

Single-instance SQL assignment

Example of NodeOutput:``` Variable extraction settings

          "row":0, // Rows. -1 indicates all rows.
          "column":-1, // Columns. -1 indicates all columns.
           
          Delimiter
          If you select all rows or columns, you must specify a connector. The returned value of the variable is a string.
           
            
       
       
        
      "variableName":"var", // Variable name
      "description":"For demo" // Variable description



## Script code /ECS remote command

- Example of NodeOutput:```
"extractMethod":"json", // JSON
            "variableName":"var", // Variable name
            "description":"demo desc" // Variable description

Response parameters

Parameter	Type	Description	Example
	object
RequestId	string	The ID of the request. You can use the ID to locate logs and troubleshoot issues.	AB524768-8A5F-523A-91BD-1147187FCD62
ErrorCode	string	The error code returned if the request failed.	UnknownError
ErrorMessage	string	The error message returned if the request failed.	UnknownError
Success	boolean	Indicates whether the request was successful. Valid values: true: The request was successful. false: The request failed.	true

Examples

Sample success responses

JSONformat

{
  "RequestId": "AB524768-8A5F-523A-91BD-1147187FCD62",
  "ErrorCode": "UnknownError",
  "ErrorMessage": "UnknownError",
  "Success": true
}

Error codes

For a list of error codes, visit the Service error codes.

Change history

Change time	Summary of changes	Operation

No change history