Updated on 2026-10-27 GMT+08:00

Deleting Flows

Function

This API is used to delete a flow.

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions. For details about the required permissions, see Permissions Policies and Supported Actions.

URI

DELETE /v2/{project_id}/fgs/workflows

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID. For details, see Obtaining a Project ID.

Constraints

N/A.

Range

The value contains 32 characters. Only letters and digits are allowed.

Default Value

N/A.

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

workflow_urns

Yes

Array of strings

Definition

Flow URNs.

Constraints

N/A

Range

N/A

Default Value

N/A

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

success

Array of strings

Definition

URNs of the function flows that are successfully operated.

Range

N/A

fail

Array of OperateErrorInfo objects

Definition

URNs of the function flows that failed to be deleted.

Range

N/A

Table 4 OperateErrorInfo

Parameter

Type

Description

workflow_urn

String

Definition

Flow URN.

Range

N/A

error_detail

String

Definition

Error details.

Range

N/A

error_code

String

Definition

Error code.

Range

N/A

error_msg

String

Definition

Error description.

Range

N/A

graph_id

String

Definition

Flow URN.

Range

N/A

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error description.

request_id

String

Request ID.

Status code: 500

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error description.

request_id

String

Request ID.

Example Requests

Delete function flows with URNs urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest and urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow2:latest.

DELETE /v2/{project_id}/fgs/workflows

{
  "workflow_urns" : [ "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest", "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow2:latest" ]
}

Example Responses

Status code: 200

{
  "success" : [ "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest" ],
  "fail" : [ {
    "error_code" : "FGS.00514000",
    "error_msg" : "resource not found",
    "error_detail" : "graph not found:urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest",
    "graph_id" : "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest",
    "workflow_urn" : "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest"
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

Java

Delete function flows with URNs urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest and urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow2:latest.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.functiongraph.v2.region.FunctionGraphRegion;
import com.huaweicloud.sdk.functiongraph.v2.*;
import com.huaweicloud.sdk.functiongraph.v2.model.*;

import java.util.List;
import java.util.ArrayList;

public class BatchDeleteWorkflowsSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        FunctionGraphClient client = FunctionGraphClient.newBuilder()
                .withCredential(auth)
                .withRegion(FunctionGraphRegion.valueOf("<YOUR REGION>"))
                .build();
        BatchDeleteWorkflowsRequest request = new BatchDeleteWorkflowsRequest();
        WorkflowDeleteBody body = new WorkflowDeleteBody();
        List<String> listbodyWorkflowUrns = new ArrayList<>();
        listbodyWorkflowUrns.add("urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest");
        listbodyWorkflowUrns.add("urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow2:latest");
        body.withWorkflowUrns(listbodyWorkflowUrns);
        request.withBody(body);
        try {
            BatchDeleteWorkflowsResponse response = client.batchDeleteWorkflows(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Python

Delete function flows with URNs urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest and urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow2:latest.

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkfunctiongraph.v2.region.functiongraph_region import FunctionGraphRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkfunctiongraph.v2 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = FunctionGraphClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(FunctionGraphRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = BatchDeleteWorkflowsRequest()
        listWorkflowUrnsbody = [
            "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest",
            "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow2:latest"
        ]
        request.body = WorkflowDeleteBody(
            workflow_urns=listWorkflowUrnsbody
        )
        response = client.batch_delete_workflows(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Go

Delete function flows with URNs urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest and urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow2:latest.

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    functiongraph "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/v2"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/v2/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/functiongraph/v2/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth, err := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        SafeBuild()

    if err != nil {
        fmt.Println(err)
        return
    }

    hcClient, err := functiongraph.FunctionGraphClientBuilder().
         WithRegion(region.ValueOf("<YOUR REGION>")).
         WithCredential(auth).
         SafeBuild()


    if err != nil {
        fmt.Println(err)
        return
    }

    client := functiongraph.NewFunctionGraphClient(hcClient)

    request := &model.BatchDeleteWorkflowsRequest{}
	var listWorkflowUrnsbody = []string{
        "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow1:latest",
	    "urn:fss:{region}:73d69ae0cfcf460190522d060f05ad:workflow:default:testflow2:latest",
    }
	request.Body = &model.WorkflowDeleteBody{
		WorkflowUrns: listWorkflowUrnsbody,
	}
	response, err := client.BatchDeleteWorkflows(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

More

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

Success

400

Bad Request

500

Internal Server Error

Error Codes

See Error Codes.