Help Center/ FunctionGraph/ API Reference/ APIs/ Function Flows/ Executing a Flow Asynchronously
Updated on 2024-01-12 GMT+08:00
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Executing a Flow Asynchronously

Function

This API is used to execute a flow asynchronously. It is available only in the Chinese mainland regions.

URI

POST /v2/{project_id}/fgs/workflows/{workflow_id}/executions

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

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

Minimum: 1

Maximum: 64

workflow_id

Yes

String

Flow definition ID.

Minimum: 1

Maximum: 512

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Create-Time

No

String

workflowRun task create time

X-WorkflowRun-ID

No

String

workflowRun id

X-WorkflowRun-MergeFnParameters

No

String

Combines the output of the previous node with the input of the next node into an input.
Table 3 Request body parameters

Parameter

Mandatory

Type

Description

headers

No

Object

Headers for flow execution.

input

Yes

Object

Input parameters for flow execution. You can use JSONPath for parameter mapping and specify a default value.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

execution_id

String

Error code.

Minimum: 1

Maximum: 64

Status code: 400

Table 5 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

Minimum: 1

Maximum: 36

error_msg

String

Error description.

Minimum: 2

Maximum: 512

Status code: 404

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

Minimum: 1

Maximum: 36

error_msg

String

Error description.

Minimum: 2

Maximum: 512

Status code: 500

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

Minimum: 1

Maximum: 36

error_msg

String

Error description.

Minimum: 2

Maximum: 512

Example Requests

Execute a flow.

POST /v2/{project_id}/fgs/workflows/{workflow_id}/executions

{
  "headers" : {
    "tenantId" : "user1"
  },
  "input" : {
    "arg1" : "argument_1",
    "arg2" : "argument_2"
  }
}

Example Responses

Status code: 200

Success

{
  "execution_id" : "48aff955-ea10-4ffd-b426-190bc192dc14"
}

Status Codes

Status Code

Description

200

Success

400

Bad Request

404

Bad Request

500

Internal Server Error

Error Codes

See Error Codes.

Parent topic: Function Flows