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

Creating an Application

Function

This API is used to create an application. (Currently, this API is supported only in CN North-Beijing4 and CN East-Shanghai1.)

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

POST /v2/{project_id}/fgs/applications

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Parameter description:

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

Constraints:

None

Value range:

32 characters, including letters and digits.

Default value:

None

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Parameter description:

User token.

The token can be obtained by calling the IAM API. The value of X-Subject-Token in the response header is the user token.

Constraints:

None

Value range:

None

Default value:

None

Content-Type

Yes

String

Parameter description:

Specifies the type (or format) of the message body.

Constraints:

None

Value range:

Only application/json is supported.

Default value:

application/json

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

name

No

String

Application name.

template_id

No

String

ID of the template used by the application.

description

No

String

Description of the application.

enterprise_project_id

No

String

Enterprise project ID.

agency_name

No

String

Agency name.

params

No

Map<String,String>

Template parameters.

repository

No

CreateAppRepository object

Code repository parameter. If this parameter is left blank, a code repository is created by default. An application that has created a code repository under the current tenant is randomly selected, and the CodeHub project to which the code repository belongs is used as the project to be created.

Table 4 CreateAppRepository

Parameter

Mandatory

Type

Description

create_repo

No

Boolean

Whether to create a code repository in CodeHub.

project_uuid

No

String

ID of the CodeHub project for creating a code repository. If this parameter is left blank, a CodeHub project is created and a code repository is created in the project.

Response Parameters

Status code: 200

Table 5 Response body parameters

Parameter

Type

Description

application_id

String

Application ID.

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 401

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 403

Table 8 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 404

Table 9 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 10 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Requests

Create an application.

POST /v2/{project_id}/fgs/applications

{
  "name" : "appTest",
  "template_id" : "xxx",
  "params" : { },
  "description" : "Application test",
  "enterprise_project_id" : "0",
  "agency_name" : ""
}

Example Responses

Status code: 200

{
  "application_id" : "cca14689-2a40-425a-86f8-14556a0fff9c"
}

SDK Sample Code

The SDK sample code is as follows.

Java

Create an application.

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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.Map;
import java.util.HashMap;

public class CreateFunctionAppSolution {

    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();
        CreateFunctionAppRequest request = new CreateFunctionAppRequest();
        CreateFunctionAppRequestBody body = new CreateFunctionAppRequestBody();
        body.withAgencyName("");
        body.withEnterpriseProjectId("0");
        body.withDescription("Application test");
        body.withTemplateId("xxx");
        body.withName("appTest");
        request.withBody(body);
        try {
            CreateFunctionAppResponse response = client.createFunctionApp(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

Create an application.

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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 = CreateFunctionAppRequest()
        request.body = CreateFunctionAppRequestBody(
            agency_name="",
            enterprise_project_id="0",
            description="Application test",
            template_id="xxx",
            name="appTest"
        )
        response = client.create_function_app(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

Create an application.

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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.CreateFunctionAppRequest{}
	agencyNameCreateFunctionAppRequestBody:= ""
	enterpriseProjectIdCreateFunctionAppRequestBody:= "0"
	descriptionCreateFunctionAppRequestBody:= "Application test"
	templateIdCreateFunctionAppRequestBody:= "xxx"
	nameCreateFunctionAppRequestBody:= "appTest"
	request.Body = &model.CreateFunctionAppRequestBody{
		AgencyName: &agencyNameCreateFunctionAppRequestBody,
		EnterpriseProjectId: &enterpriseProjectIdCreateFunctionAppRequestBody,
		Description: &descriptionCreateFunctionAppRequestBody,
		TemplateId: &templateIdCreateFunctionAppRequestBody,
		Name: &nameCreateFunctionAppRequestBody,
	}
	response, err := client.CreateFunctionApp(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

create application successfully

400

Bad request.

401

Unauthorized.

403

Forbidden.

404

Not found.

500

Internal server error.

Error Codes

See Error Codes.