AWS::Greengrass::FunctionDefinitionVersion Function

A function is a Lambda function that's referenced from an AWS IoT Greengrass group. The function is deployed to a Greengrass core where it runs locally. For more information, see Run Lambda Functions on the AWS IoT Greengrass Core in the AWS IoT Greengrass Version 1 Developer Guide .

In an AWS CloudFormation template, the Functions property of the AWS::Greengrass::FunctionDefinitionVersion resource contains a list of Function property types.

Syntax

To declare this entity in your AWS CloudFormation template, use the following syntax:

JSON

{
  "FunctionArn" : String,
  "FunctionConfiguration" : FunctionConfiguration,
  "Id" : String
}

YAML

  FunctionArn: String
  FunctionConfiguration: 
    FunctionConfiguration
  Id: String

Properties

FunctionArn

The Amazon Resource Name (ARN) of the alias (recommended) or version of the referenced Lambda function.

Required: Yes

Type: String

Update requires: Replacement

FunctionConfiguration

The group-specific settings of the Lambda function. These settings configure the function's behavior in the Greengrass group.

Required: Yes

Type: FunctionConfiguration

Update requires: Replacement

Id

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

Required: Yes

Type: String

Update requires: Replacement

See also

• Function in the AWS IoT Greengrass Version 1 API Reference

• AWS IoT Greengrass Version 1 Developer Guide