/greengrass/definition/subscriptions - AWS IoT Greengrass
GETPOST

AWS IoT Greengrass Version 1 no longer receives feature updates, and will receive only security patches and bug fixes until June 30, 2023. For more information, see the AWS IoT Greengrass V1 maintenance policy. We strongly recommend that you migrate to AWS IoT Greengrass Version 2, which adds significant new features and support for additional platforms.

/greengrass/definition/subscriptions

GET

GET /greengrass/definition/subscriptions

Operation ID: ListSubscriptionDefinitions

Retrieves a list of subscription definitions.

Produces: application/json

Query Parameters

MaxResults

The maximum number of results to be returned per request.

where used: query; required: false

type: integer

NextToken

The token for the next set of results, or null if there are no more results.

where used: query; required: false

type: string

CLI

aws greengrass list-subscription-definitions \
  [--max-results <value>] \
  [--next-token <value>]  \
  [--cli-input-json <value>] \
  [--generate-cli-skeleton]

cli-input-json format:

{
"MaxResults": "integer",
"NextToken": "string"
}

Responses

200 (ListSubscriptionDefinitionsResponse)

ListDefinitionsResponse 

{
"Definitions": [
  {
    "Name": "string",
    "Id": "string",
    "Arn": "string",
    "tags": {
      "additionalProperty0": "string",
      "additionalProperty1": "string",
      "additionalProperty2": "string"
    },
    "LastUpdatedTimestamp": "string",
    "CreationTimestamp": "string",
    "LatestVersion": "string",
    "LatestVersionArn": "string"
  }
],
"NextToken": "string"
}
ListDefinitionsResponse

A list of definitions.

type: object

Definitions

Information about a definition.

type: array

items: DefinitionInformation

DefinitionInformation

Information about a definition.

type: object

Name

The name of the definition.

type: string

Id

The ID of the definition.

type: string

Arn

The ARN of the definition.

type: string

tags

The resource tags.

type: object

additionalProperties: The key-value pair for the resource tag. Type: string

LastUpdatedTimestamp

The time, in milliseconds since the epoch, when the definition was last updated.

type: string

CreationTimestamp

The time, in milliseconds since the epoch, when the definition was created.

type: string

LatestVersion

The ID of the latest version associated with the definition.

type: string

LatestVersionArn

The ARN of the latest version associated with the definition.

type: string

NextToken

The token for the next set of results, or null if there are no more results.

type: string

POST

POST /greengrass/definition/subscriptions

Operation ID: CreateSubscriptionDefinition

Creates a subscription definition. You can provide the initial version of the subscription definition now or use CreateSubscriptionDefinitionVersion later.

Produces: application/json

Body Parameters

CreateSubscriptionDefinitionRequestBody

where used: body; required: true

{
"Name": "string",
"InitialVersion": {
  "Subscriptions": [
    {
      "Id": "string",
      "Source": "string",
      "Subject": "string",
      "Target": "string"
    }
  ]
},
"tags": {
  "keyName0": "string",
  "keyName1": "string",
  "keyName2": "string"
}
}
Name

The name of the subscription definition.

type: string

InitialVersion

Information about a subscription definition version.

type: object

Subscriptions

A list of subscriptions.

type: array

items: Subscription

Subscription

Information about a subscription.

type: object

required: ["Id", "Source", "Subject", "Target"]

Id

A descriptive or arbitrary ID for the subscription. This value must be unique within the subscription definition version. Maximum length is 128 characters with the pattern [a‑zA‑Z0‑9:_‑]+.

type: string

Source

The source of the subscription. Can be a thing ARN, the ARN of a Lambda function alias (recommended) or version, a connector ARN, 'cloud' (which represents AWS IoT), or 'GGShadowService'. If you specify a Lambda function, this ARN should match the ARN used to add the function to the Greengrass group.

type: string

Subject

The MQTT topic used to route the message.

type: string

Target

Where the message is sent. Can be a thing ARN, the ARN of a Lambda function alias (recommended) or version, a connector ARN, 'cloud' (which represents AWS IoT), or 'GGShadowService'. If you specify a Lambda function, this ARN should match the ARN used to add the function to the Greengrass group.

type: string

tags

The resource tags.

type: object

additionalProperties: The key-value pair for the resource tag. Type: string

Header Parameters

X-Amzn-Client-Token

A client token used to correlate requests and responses.

where used: header; required: false

type: string

CLI

aws greengrass create-subscription-definition \
  [--name <value>] \
  [--initial-version <value>] \
  [--tags <value>] \
  [--amzn-client-token <value>]  \
  [--cli-input-json <value>] \
  [--generate-cli-skeleton]

cli-input-json format:

{
"Name": "string",
"InitialVersion": {
  "Subscriptions": [
    {
      "Id": "string",
      "Source": "string",
      "Subject": "string",
      "Target": "string"
    }
  ]
},
"tags": {
  "additionalProperty0": "string",
  "additionalProperty1": "string",
  "additionalProperty2": "string"
},
"AmznClientToken": "string"
}

Responses

200 (CreateSubscriptionDefinitionResponse)

DefinitionInformation 

{
"Name": "string",
"Id": "string",
"Arn": "string",
"LastUpdatedTimestamp": "string",
"CreationTimestamp": "string",
"LatestVersion": "string",
"LatestVersionArn": "string"
}
DefinitionInformation

Information about a definition.

type: object

Name

The name of the definition.

type: string

Id

The ID of the definition.

type: string

Arn

The ARN of the definition.

type: string

LastUpdatedTimestamp

The time, in milliseconds since the epoch, when the definition was last updated.

type: string

CreationTimestamp

The time, in milliseconds since the epoch, when the definition was created.

type: string

LatestVersion

The ID of the latest version associated with the definition.

type: string

LatestVersionArn

The ARN of the latest version associated with the definition.

type: string

400

Invalid request.

GeneralError 

{
"Message": "string",
"ErrorDetails": [
  {
    "DetailedErrorCode": "string",
    "DetailedErrorMessage": "string"
  }
]
}
GeneralError

General error information.

type: object

required: ["Message"]

Message

A message that contains information about the error.

type: string

ErrorDetails

A list of error details.

type: array

items: ErrorDetail

ErrorDetail

Details about the error.

type: object

DetailedErrorCode

A detailed error code.

type: string

DetailedErrorMessage

A detailed error message.

type: string