ListFunctions

Returns a list of Lambda functions, with the version-specific configuration of each.

Set FunctionVersion to ALL to include all published versions of each function in addition to the unpublished version. To get more information about a function or version, use GetFunction.

Request Syntax


GET /2015-03-31/functions/?FunctionVersion=FunctionVersion&Marker=Marker&MasterRegion=MasterRegion&MaxItems=MaxItems HTTP/1.1

URI Request Parameters

The request requires the following URI parameters.

FunctionVersion

Set to ALL to include entries for all published versions of each function.

Valid Values: ALL

Marker

Specify the pagination token that's returned by a previous request to retrieve the next page of results.

MasterRegion

For Lambda@Edge functions, the AWS Region of the master function. For example, us-east-2 or ALL. If specified, you must set FunctionVersion to ALL.

Pattern: ALL|[a-z]{2}(-gov)?-[a-z]+-\d{1}

MaxItems

Specify a value between 1 and 50 to limit the number of functions in the response.

Valid Range: Minimum value of 1. Maximum value of 10000.

Request Body

The request does not have a request body.

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "Functions": [ 
      { 
         "CodeSha256": "string",
         "CodeSize": number,
         "DeadLetterConfig": { 
            "TargetArn": "string"
         },
         "Description": "string",
         "Environment": { 
            "Error": { 
               "ErrorCode": "string",
               "Message": "string"
            },
            "Variables": { 
               "string" : "string" 
            }
         },
         "FunctionArn": "string",
         "FunctionName": "string",
         "Handler": "string",
         "KMSKeyArn": "string",
         "LastModified": "string",
         "Layers": [ 
            { 
               "Arn": "string",
               "CodeSize": number
            }
         ],
         "MasterArn": "string",
         "MemorySize": number,
         "RevisionId": "string",
         "Role": "string",
         "Runtime": "string",
         "Timeout": number,
         "TracingConfig": { 
            "Mode": "string"
         },
         "Version": "string",
         "VpcConfig": { 
            "SecurityGroupIds": [ "string" ],
            "SubnetIds": [ "string" ],
            "VpcId": "string"
         }
      }
   ],
   "NextMarker": "string"
}

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in JSON format by the service.

Functions

A list of Lambda functions.

Type: Array of FunctionConfiguration objects

NextMarker

The pagination token that's included if more results are available.

Type: String

Errors

InvalidParameterValueException

One of the parameters in the request is invalid. For example, if you provided an IAM role for AWS Lambda to assume in the CreateFunction or the UpdateFunctionConfiguration API, that AWS Lambda is unable to assume you will get this exception.

HTTP Status Code: 400

ServiceException

The AWS Lambda service encountered an internal error.

HTTP Status Code: 500

TooManyRequestsException

Request throughput limit exceeded.

HTTP Status Code: 429