AWS CloudFormation
User Guide (Version )

AWS::Greengrass::FunctionDefinition 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 Developer Guide.

In an AWS CloudFormation template, the Functions property of the FunctionDefinitionVersion property type 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 }

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

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