UpdateTaskFlowConstants - Data Management - Alibaba Cloud Documentation Center

Updates the constants for a specified task flow.

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

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:UpdateTaskFlowConstants	update	All Resources ``	none	none

Request parameters

Parameter	Type	Required	Description	Example
Tid	long	No	The ID of the tenant. You can call the GetUserActiveTenant or ListUserTenants operation to query the tenant ID.	3***
DagId	long	Yes	The ID of the task flow. You can call the ListTaskFlow or ListLhTaskFlowAndScenario operation to query the task flow ID.	3****
DagConstants	array<object>	Yes	The constants for the task flow.
	object	Yes
Key	string	No	The key name of a constant for the task flow.	poc_test
Value	string	No	The key value of a constant for the task flow.	poc_test

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.	C4CCC000-C193-5A32-B701-573F497BF729
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": "C4CCC000-C193-5A32-B701-573F497BF729",
  "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