Updates a flow.
Debugging
Request parameters
Parameter | Type | Required | Example | Description |
---|---|---|---|---|
Action | String | Yes | UpdateFlow |
The operation that you want to perform. Set the value to UpdateFlow. |
Name | String | Yes | flow |
The name of the flow. The name must be unique in an Alibaba Cloud account. |
Definition | String | No | version: v1.0\ntype: flow\nname: test\nsteps:\n - type: pass\n name: mypass |
The definition of the flow. It must comply with the Flow Definition Language (FDL) syntax. |
Description | String | No | test definition |
The description of the flow. |
RequestId | String | No | testRequestId |
The ID of the request. If this parameter is not specified, the system generates a random value. |
RoleArn | String | No | acs:ram::${accountID}:${role} |
The ARN of the specified RAM role that Serverless Workflow uses to assume the role when Serverless Workflow executes a task. |
Type | String | No | FDL |
The type of the flow. Set the value to FDL. |
Response parameters
Parameter | Type | Example | Description |
---|---|---|---|
CreatedTime | String | 2019-01-01T01:01:01.001Z |
The time when the flow was created. |
Definition | String | version: v1.0\ntype: flow\nname: test\nsteps:\n - type: pass\n name: mypass |
The definition of the flow. |
Description | String | test definition |
The description of the flow. |
Id | String | e589e092-e2c0-4dee-b306-3574ddfdddf5ccc3 |
The unique ID of the flow. |
LastModifiedTime | String | 2019-01-01T01:01:01.001Z |
The time when the flow was last modified. |
Name | String | flow |
The name of the flow. |
RequestId | String | testRequestID |
The ID of the request. |
RoleArn | String | acs:ram::${accountID}:${role} |
The ARN of the specified RAM role. |
Type | String | FDL |
The type of the flow. |
Examples
Sample requests
http(s)://[Endpoint]/? Action=UpdateFlow
&Name=flow
&<Common request parameters>
Sample success responses
XML
format
<CreateFlowResponseponse>
<Description>Response in XML format is not supported. </Description>
</CreateFlowResponseponse>
JSON
format
{
"Name":"flow",
"Description":"test definition",
"CreatedTime":"2019-01-01T01:01:01.001Z",
"Type":"FDL",
"RequestId":"testRequestID",
"Id":"e589e092-e2c0-4dee-b306-3574ddfdddf5ccc3",
"LastModifiedTime":"2019-01-01T01:01:01.001Z",
"Version":"1",
"RoleArn":"acs:ram::${accountID}:${role}",
"Definition":"version: v1.0
type: flow
steps:
 - type: pass
 name: mypass"
}
Error codes
HttpCode | Error code | Error message | Description |
---|---|---|---|
403 | AccessDenied | The resources doesn't belong to you. | The error message returned because request authentication failed. For more information, see the actual error message. |
400 | ActionNotSupported | The requested API operation '%s' is incorrect. Please check. | The error message returned because the request method is wrong. For more information, see the API documentation and check the spelling. |
400 | APIVersionNotSupported | The requested API version '%s' is not supported yet. Please check. | The error message returned because the requested API version is wrong. For more information, see Make API requests. |
409 | ConcurrentUpdateError | Update conflict, please retry. | The error message returned because concurrent write operations are performed on the requested resource. Wait for a while and then try again. |
404 | FlowNotExists | Flow %s does not exist. | The error message returned because the requested resource does not exist. Ensure that the flow has been created. |
500 | InternalServerError | An internal error has occurred. Please retry. | The error message returned because an internal server error has occurred. Try again later. |
403 | InvalidAccessKeyID | The AccessKey ID %s is invalid. | The error message returned because the AccessKey ID is invalid. |
400 | InvalidArgument | Parameter error. | The error message returned because the request parameters are invalid. For more information, see the actual error message. |
400 | MissingRequiredHeader | The HTTP header '%s' must be specified. | The error message returned because the required request parameters are missing. For more information, see the actual error message. |
400 | MissingRequiredParams | The HTTP query '%s' must be specified. | The error message returned because the required request parameters are missing. For more information, see the actual error message. |
412 | PreconditionFailed | The resource to be modified has been changed. | The error message returned because resource view or check for updates failed, and the resource may be modified. Try again later. |
403 | RequestTimeTooSkewed | The difference between the request time %s and the current time %s is too large. | The error message returned because your request time is wrong. The request has been identified as invalid. For more information, see the "Common parameters" section. |
429 | ResourceThrottled | The request is throttled. Please try again later. | The error message returned because the request is throttled for some reason. Try again later. |
403 | SignatureNotMatch | The request signature we calculated does not match the signature you provided. Check your access key and signing method. | The error message returned because the request signature we calculated does not match the request signature you provided. Check your signature algorithm and AccessKey secret. |
415 | UnsupportedMediaType | The content type must be "application/json". | The error message returned because the type of the request message body is wrong. |
For a list of error codes, visit the API Error Center.
For a list of error codes, visit the API Error Center.