Modify a flow - CloudFlow - Alibaba Cloud Documentation Center

This topic describes how to modify a flow by using the Serverless Workflow console or Alibaba Cloud CLI.

Background information

If you execute a flow after you modify it, the new execution is based on the new flow information. The modified flow definition doe not affect the completed and ongoing executions.

Modify a flow by using the console

Log on to the Serverless Workflow console.
On the Flows page, click the name of the flow that you want to modify.
On the Details page, click Edit to modify the flow.

On the Edit Flow page, modify the definition, description, and executions RAM role of the flow.

version: v1
type: flow
steps:
   - type: pass
     name: pass1
   - type: pass
     name: pass2

Click Save.

Modify a flow by using Alibaba Cloud CLI

Replace the local definition of the flow that you want to modify with the following code. The modified flow contains two steps.
```
version: v1
type: flow
steps:
   - type: pass
     name: pass1
   - type: pass
     name: pass2    
```

Run the following command to update the flow:

aliyun fnf UpdateFlow --Description "update demo" --Type FDL --RoleArn acs:ram::xxx:xxx --Name cli_guide_1 --Definition "$(<./flow.yaml)"

Expected output:

   # The execution result of the command
   {
       "Name": "cli_guide_1",
       "Description": "update demo",
       "Definition": "version: v1\ntype: flow\nsteps:\n  - type: pass\n    name: pass1\n  - type: pass\n    name: pass2",
       "Id": "78c68342-d63b-4cb5-9207-4e44eeb7e632",
       "Type": "FDL",
       "RoleArn": "acs:ram::xxx:xxx",
       "CreatedTime": "2019-05-13T05:59:51.762Z",
       "LastModifiedTime": "2019-05-13T05:59:51.762Z",
       "RequestId": "xxxx"
   }