Help Center/ EventGrid/ API Reference/ APIs/ Trigger Management/ Obtaining the EG Trigger of a Function Flow
Updated on 2025-05-06 GMT+08:00

Obtaining the EG Trigger of a Function Flow

Function

This API is used to obtain the trigger of a function flow specified by ID. A trigger is a subscription with a function flow ID as the target.

URI

GET /v1/{project_id}/subscription-triggers/workflow/{workflow_id}

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Tenant resource space ID.

workflow_id

Yes

String

ID of the function flow.

Table 2 Query Parameters

Parameter

Mandatory

Type

Description

offset

No

Integer

Offset, which is the position where the query starts. The value must be greater than or equal to 0.

limit

No

Integer

Number of records displayed on each page. The value must be within the range [1, 1000].

sort

No

String

Sorting mode of the query results.

Request Parameters

Table 3 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

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

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

total

Integer

Total number of records.

size

Integer

Number of records displayed on the current page.

items

Array of SubscriptionInfo objects

Object list.

Table 5 SubscriptionInfo

Parameter

Type

Description

id

String

Subscription ID.

name

String

Subscription name.

description

String

Description of the subscription.

type

String

Subscription type.

status

String

Status.

channel_id

String

ID of the event channel.

channel_name

String

Name of the event channel.

used

Array of SubscriptionUsedInfo objects

Label information.

sources

Array of SubscriptionSourceInfo objects

List of subscription sources.

targets

Array of SubscriptionTargetInfo objects

List of subscription targets.

created_time

String

Time when the trigger is created.

updated_time

String

Time when the trigger is updated.

Table 6 SubscriptionUsedInfo

Parameter

Type

Description

resource_id

String

Associated resource ID.

owner

String

Management tenant account.

description

String

Description.

Table 7 SubscriptionSourceInfo

Parameter

Type

Description

id

String

ID of the event subscription source.

name

String

Name of the event subscription source.

provider_type

String

Provider type of the event subscription source.

detail

Object

List of event subscription source parameters.

filter

Object

Filtering rule of the event subscription source.

created_time

String

Time when the event subscription is created.

updated_time

String

Time when the event subscription is updated.

Table 8 SubscriptionTargetInfo

Parameter

Type

Description

id

String

ID of the event subscription target.

name

String

Name of the event subscription target.

provider_type

String

Provider type of the event subscription target.

connection_id

String

Connection ID used by the event subscription target.

detail

Object

List of event subscription target parameters.

kafka_detail

KafkaTargetDetail object

List of Kafka event subscription target parameters. The total length of this field after serialization cannot exceed 1024 bytes.

smn_detail

SmnTargetDetail object

List of SMN event target parameters for the subscription. The total length cannot exceed 1024 bytes after serialization.

eg_detail

EgTargetDetail object

List of EG event channel target parameters for the subscription. The total length cannot exceed 1,024 bytes after serialization. This field is mandatory for EG channel event targets.

apigw_detail

ApigwTargetDetail object

List of APIGW URL target parameters for the subscription. The total length cannot exceed 1,024 bytes after serialization. This field is mandatory for APIGW event targets.

retry_times

Integer

Number of retries.

transform

TransForm object

Transform rule of the event subscription target.

dead_letter_queue

DeadLetterQueue object

List of dead letter queue parameters for the subscription.

created_time

String

Time when the event subscription is created.

updated_time

String

Time when the event subscription is updated.

Table 9 KafkaTargetDetail

Parameter

Type

Description

topic

String

Topic.

keyTransform

keyTransform object

Key value rule.

Table 10 keyTransform

Parameter

Type

Description

type

String

Type of the key value rule.

value

String

Key value rule. This parameter is mandatory when type is VARIABLE or CONSTANT.

template

String

Key value rule template. This parameter is mandatory when type is VARIABLE.

Table 11 SmnTargetDetail

Parameter

Type

Description

urn

String

Specifies the topic URN.

agency_name

String

Agency name.

subject_transform

subject_transform object

Title rule.

Table 12 subject_transform

Parameter

Type

Description

type

String

Type of the title rule.

value

String

Title rule.

template

String

Title rule template. This parameter is mandatory when type is set to VARIABLE.

Table 13 EgTargetDetail

Parameter

Type

Description

target_project_id

String

Target project ID.

target_channel_id

String

Target channel ID.

target_region

String

Target region.

cross_region

Boolean

Indicates whether cross-region feature is enabled.

cross_account

Boolean

Indicates whether cross-account feature is enabled.

agency_name

String

Agency name.

Table 14 ApigwTargetDetail

Parameter

Type

Description

url

String

Target URL.

invocation_http_parameters

InvocationHttpParameters object

Parameters for invoking HTTP.

Table 15 InvocationHttpParameters

Parameter

Type

Description

header_parameters

Array of HeaderParameter objects

Object list.

Table 16 HeaderParameter

Parameter

Type

Description

is_value_secret

Boolean

Whether to encrypt the value.

key

String

Header key.

value

String

Header value.

Table 17 TransForm

Parameter

Type

Description

type

String

Type of the transform rule.

value

String

For a constant type rule, the field is the constant content definition.

For a variable type rule, the field is a variable definition and the content must be a JSON object string.

A maximum of 100 variables are supported, and nested structures are not supported.

The variable name can contain a maximum of 64 characters. Only letters, digits, periods (.), underscores (_), and hyphens (-) are allowed. It must start with a letter or digit and cannot start with HC..

The variable value expression can be a constant or JSONPath expression. The string length cannot exceed 1024 characters.

template

String

Template definition of the rule content when the rule is of the variable type. Defined variables can be referenced.

Table 18 DeadLetterQueue

Parameter

Type

Description

type

String

Queue type.

instance_id

String

Instance ID.

connection_id

String

Connection ID.

topic

String

Topic.

Example Requests

Obtain the EG trigger of a function flow.

GET https://{endpoint}/v1/{project_id}/subscription-triggers/workflow/{workflow_id}

Example Responses

Status code: 200

Operation successful.

{
  "total" : 1,
  "size" : 1,
  "items" : [ { } ]
}

Status Codes

Status Code

Description

200

Operation successful.

Error Codes

See Error Codes.