You can call ModifyFlowForWeb operation to modify a custom graphical workflow.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes ModifyFlowForWeb

The operation that you want to perform. This parameter is required for API requests initiated by piecing together HTTP or HTTPS URLs. Set the value to ModifyFlowForWeb.

ClusterId String Yes C-F32FB31D8295****

The ID of the cluster. You can call ListClusters View the ID of the cluster.

CreateCluster Boolean Yes false

Indicates whether the cluster was created from the cluster template.

  • When true, ClusterId is the cluster template ID:CT-XXXXXX.
  • When false, ClusterId is cluster ID:C-XXXXXX.
Graph String Yes {"nodes":[{"id":"48d474ea","index":0,"spmAnchorId":"0.0.0.i0.766645eb2cmNtQ","attribute":{"type":"START"},"shape":"startControlNode","type":"node","y":250,"size":"80*34","x":500},{"id":"7ba480b3","index":1,"spmAnchorId":"5176.8250060.0.i19.771e28d0IPNQGE","attribute":{"jobType":"SHELL","jobId":"FJ-7BE1062897B19D25","type":"JOB"},"config":{"hostName":""},"label":"fail_job","shape":"shellJobNode","type":"node","y":398.5,"size":"170*34","x":470.5},{"id":"33202d60","index":2,"spmAnchorId":"5176.8250060.0.i23.771e28d0IPNQGE","attribute":{"type":"END"},"shape":"endControlNode","type":"node","y":562.5,"size":"80*34","x":430.5}],"edges":[{"id":"28167ea0","index":3,"source":"48d474ea","sourceAnchor":0,"target":"7ba480b3","targetAnchor":0},{"id":"e8d5ff52","index":4,"source":"7ba480b3","sourceAnchor":1,"target":"33202d60","targetAnchor":0}]}

The information of the directed acyclic graph (DAG) of the workflow.

Id String Yes F-7A39731FE719****

The ID of the workflow. You can call ListFlowInstance View the workflow ID.

ProjectId String Yes FP-257A173659F5****

The ID of the project. You can call ListFlowProject View the ID of the project.

RegionId String Yes cn-hangzhou

The region ID of the image. You can call DescribeRegions View the latest list of Alibaba Cloud regions.

Name String No my_flow

The workflow name, which is limited to 64 characters in length. Duplicate names are not allowed in the same project.

Status String No STOP_SCHEDULE

The workflow status, supports STOP_SCHEDULE and UNDER_SCHEDULE.

Description String No This is the description of a workflow

The workflow description, which is limited to 256 characters in length.

Periodic Boolean No true

Specifies whether to enable periodic scheduling.

StartSchedule Long No 1538017814000

The scheduling effective time, long integer timestamp. For example: System.currentTimeMillis () Must be smaller than EndSchedule. This parameter is required if the CronExpr parameter is not left empty.

EndSchedule Long No 1538018814000

Scheduling expiration time, long integer timestamp, for example: System.currentTimeMillis () .

CronExpr String No 0 0 0-23/1 * * ?

Cron expression for time cycle scheduling. For details, see A Cron Expressions .

HostName String No emr-header-1.cluster-123456

Specifies the information of the running machine, in the format of emr-header-1.cluster-123456.

Namespace String No default

K8s NameSpace used when EMR clusters on ACK.

LogArchiveLocation String No oss://yourbucket/xxx

The path where log files are stored on OSS.

Lifecycle String No None

A reserved field.

AlertConf String No {"items":[{"enable":true,"eventId":"EMR-210401001","alertUserGroupIdList":["AUG-b79bb29bb6e14ddd89674a242623851b"],"alertDingDingGroupList":["ADG-af1f9689d6194e2dbd89927d5c515172"]},{"enable":true,"eventId":"EMR-110401015","alertUserGroupIdList":["AUG-b79bb29bb6e14ddd89674a242623851b"],"alertDingDingGroupList":["ADG-af1f9689d6194e2dbd89927d5c515172"]},{"enable":true,"eventId":"EMR-110401002","alertUserGroupIdList":["AUG-b79bb29bb6e14ddd89674a242623851b"],"alertDingDingGroupList":["ADG-af1f9689d6194e2dbd89927d5c515172"]}]}

Alarm notification configuration, eventId currently supports:

  • EMR-210401001 (Workflow Failure Alarm)
  • EMR-110401002 (Workflow Success Notification)
  • EMR-110401015 (Workflow Node Failure Alarm)
AlertUserGroupBizId String No -

A deprecated parameter.

AlertDingDingGroupBizId String No -

A deprecated parameter.

ParentFlowList String No [F-123456]

The information of the parent workflow.

ParentCategory String No FC-F2495319DA05****

The ID of the parent directory.

Response parameters

Parameter Type Example Description
Data Boolean true

The execution result is returned, including the following:

  • true: The operation was successful.
  • false: The operation failed.
RequestId String 243D5A48-96A5-4C0C-8966-93CBF65635ED

The ID of the request.


Sample requests

&Graph=Graph information
&<common request parameters>

Sample success responses

XML format


JSON Address format