SubscriptionDefinitionVersion - Amazon IoT Greengrass
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You are viewing the documentation for Amazon IoT Greengrass Version 1. Amazon IoT Greengrass Version 2 is the latest major version of Amazon IoT Greengrass. For more information about the Amazon IoT Greengrass V2 API, see the Amazon IoT Greengrass Version 2 API Reference.

SubscriptionDefinitionVersion

{ "Subscriptions": [ { "Id": "string", "Source": "string", "Subject": "string", "Target": "string" } ] }
SubscriptionDefinitionVersion

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 Amazon 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 Amazon 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