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AWS Lambda
Developer Guide

FunctionConfiguration

A complex type that describes function metadata.

Contents

CodeSha256

It is the SHA256 hash of your function deployment package.

Type: String

Required: No

CodeSize

The size, in bytes, of the function .zip file you uploaded.

Type: Long

Required: No

DeadLetterConfig

The parent object that contains the target ARN (Amazon Resource Name) of an Amazon SQS queue or Amazon SNS topic.

Type: DeadLetterConfig object

Required: No

Description

The user-provided description.

Type: String

Length Constraints: Minimum length of 0. Maximum length of 256.

Required: No

Environment

The parent object that contains your environment's configuration settings.

Type: EnvironmentResponse object

Required: No

FunctionArn

The Amazon Resource Name (ARN) assigned to the function.

Type: String

Pattern: arn:aws:lambda:[a-z]{2}-[a-z]+-\d{1}:\d{12}:function:[a-zA-Z0-9-_\.]+(:(\$LATEST|[a-zA-Z0-9-_]+))?

Required: No

FunctionName

The name of the function. Note that the length constraint applies only to the ARN. If you specify only the function name, it is limited to 64 characters in length.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 170.

Pattern: (arn:aws:lambda:)?([a-z]{2}-[a-z]+-\d{1}:)?(\d{12}:)?(function:)?([a-zA-Z0-9-_\.]+)(:(\$LATEST|[a-zA-Z0-9-_]+))?

Required: No

Handler

The function Lambda calls to begin executing your function.

Type: String

Length Constraints: Maximum length of 128.

Pattern: [^\s]+

Required: No

KMSKeyArn

The Amazon Resource Name (ARN) of the KMS key used to encrypt your function's environment variables. If empty, it means you are using the AWS Lambda default service key.

Type: String

Pattern: (arn:aws:[a-z0-9-.]+:.*)|()

Required: No

LastModified

The time stamp of the last time you updated the function. The time stamp is conveyed as a string complying with ISO-8601 in this way YYYY-MM-DDThh:mm:ssTZD (e.g., 1997-07-16T19:20:30+01:00). For more information, see Date and Time Formats.

Type: String

Required: No

MasterArn

Returns the ARN (Amazon Resource Name) of the master function.

Type: String

Pattern: arn:aws:lambda:[a-z]{2}-[a-z]+-\d{1}:\d{12}:function:[a-zA-Z0-9-_]+(:(\$LATEST|[a-zA-Z0-9-_]+))?

Required: No

MemorySize

The memory size, in MB, you configured for the function. Must be a multiple of 64 MB.

Type: Integer

Valid Range: Minimum value of 128. Maximum value of 1536.

Required: No

Role

The Amazon Resource Name (ARN) of the IAM role that Lambda assumes when it executes your function to access any other Amazon Web Services (AWS) resources.

Type: String

Pattern: arn:aws:iam::\d{12}:role/?[a-zA-Z_0-9+=,.@\-_/]+

Required: No

Runtime

The runtime environment for the Lambda function.

Type: String

Valid Values: nodejs | nodejs4.3 | nodejs6.10 | java8 | python2.7 | python3.6 | dotnetcore1.0 | nodejs4.3-edge

Required: No

Timeout

The function execution time at which Lambda should terminate the function. Because the execution time has cost implications, we recommend you set this value based on your expected execution time. The default is 3 seconds.

Type: Integer

Valid Range: Minimum value of 1.

Required: No

TracingConfig

The parent object that contains your function's tracing settings.

Type: TracingConfigResponse object

Required: No

Version

The version of the Lambda function.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 1024.

Pattern: (\$LATEST|[0-9]+)

Required: No

VpcConfig

VPC configuration associated with your Lambda function.

Type: VpcConfigResponse object

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following:

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