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.
Subscription
{ "Id": "string", "Source": "string", "Subject": "string", "Target": "string" }
- 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
