Request Syntax URI Request Parameters Request Body Response Syntax Response Elements Errors See Also

ListEventSourceMappings

Lists event source mappings. Specify an EventSourceArn to only show event source mappings for a single event source.

Request Syntax


GET /2015-03-31/event-source-mappings/?EventSourceArn=EventSourceArn&FunctionName=FunctionName&Marker=Marker&MaxItems=MaxItems HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

EventSourceArn

The Amazon Resource Name (ARN) of the event source.

Amazon Kinesis - The ARN of the data stream or a stream consumer.
Amazon DynamoDB Streams - The ARN of the stream.
Amazon Simple Queue Service - The ARN of the queue.
Amazon Managed Streaming for Apache Kafka - The ARN of the cluster.

Pattern: arn:(aws[a-zA-Z0-9-]*):([a-zA-Z0-9\-])+:([a-z]{2}(-gov)?-[a-z]+-\d{1})?:(\d{12})?:(.*)

FunctionName

The name of the Lambda function.

Name formats

Function name - MyFunction.
Function ARN - arn:aws:lambda:us-west-2:123456789012:function:MyFunction.
Version or Alias ARN - arn:aws:lambda:us-west-2:123456789012:function:MyFunction:PROD.
Partial ARN - 123456789012:function:MyFunction.

The length constraint applies only to the full ARN. If you specify only the function name, it's limited to 64 characters in length.

Length Constraints: Minimum length of 1. Maximum length of 140.

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

Marker

A pagination token returned by a previous call.

MaxItems

The maximum number of event source mappings to return.

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

{
   "EventSourceMappings": [ 
      { 
         "BatchSize": number,
         "BisectBatchOnFunctionError": boolean,
         "DestinationConfig": { 
            "OnFailure": { 
               "Destination": "string"
            },
            "OnSuccess": { 
               "Destination": "string"
            }
         },
         "EventSourceArn": "string",
         "FunctionArn": "string",
         "LastModified": number,
         "LastProcessingResult": "string",
         "MaximumBatchingWindowInSeconds": number,
         "MaximumRecordAgeInSeconds": number,
         "MaximumRetryAttempts": number,
         "ParallelizationFactor": number,
         "State": "string",
         "StateTransitionReason": "string",
         "Topics": [ "string" ],
         "UUID": "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.

EventSourceMappings

A list of event source mappings.

Type: Array of EventSourceMappingConfiguration objects

NextMarker

A pagination token that's returned when the response doesn't contain all event source mappings.

Type: String

Errors

InvalidParameterValueException

One of the parameters in the request is invalid.

HTTP Status Code: 400

ResourceNotFoundException

The resource specified in the request does not exist.

HTTP Status Code: 404

ServiceException

The AWS Lambda service encountered an internal error.

HTTP Status Code: 500

TooManyRequestsException

The request throughput limit was exceeded.

HTTP Status Code: 429