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

GetEventSourceMapping

Returns details about an event source mapping. You can get the identifier of a mapping from the output of ListEventSourceMappings.

Request Syntax


GET /2015-03-31/event-source-mappings/UUID HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

UUID

The identifier of the event source mapping.

Required: Yes

Request Body

The request does not have a request body.

Response Syntax


HTTP/1.1 200
Content-type: application/json

{
   "BatchSize": number,
   "BisectBatchOnFunctionError": boolean,
   "DestinationConfig": { 
      "OnFailure": { 
         "Destination": "string"
      },
      "OnSuccess": { 
         "Destination": "string"
      }
   },
   "EventSourceArn": "string",
   "FunctionArn": "string",
   "FunctionResponseTypes": [ "string" ],
   "LastModified": number,
   "LastProcessingResult": "string",
   "MaximumBatchingWindowInSeconds": number,
   "MaximumRecordAgeInSeconds": number,
   "MaximumRetryAttempts": number,
   "ParallelizationFactor": number,
   "Queues": [ "string" ],
   "SelfManagedEventSource": { 
      "Endpoints": { 
         "string" : [ "string" ]
      }
   },
   "SourceAccessConfigurations": [ 
      { 
         "Type": "string",
         "URI": "string"
      }
   ],
   "StartingPosition": "string",
   "StartingPositionTimestamp": number,
   "State": "string",
   "StateTransitionReason": "string",
   "Topics": [ "string" ],
   "TumblingWindowInSeconds": number,
   "UUID": "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.

BatchSize

The maximum number of items to retrieve in a single batch.

Type: Integer

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

BisectBatchOnFunctionError

(Streams) If the function returns an error, split the batch in two and retry. The default value is false.

Type: Boolean

DestinationConfig

(Streams) An Amazon SQS queue or Amazon SNS topic destination for discarded records.

Type: DestinationConfig object

EventSourceArn

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

Type: String

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

FunctionArn

The ARN of the Lambda function.

Type: String

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-_]+))?

FunctionResponseTypes

(Streams) A list of current response type enums applied to the event source mapping.

Type: Array of strings

Array Members: Fixed number of 1 item.

Valid Values: ReportBatchItemFailures

LastModified

The date that the event source mapping was last updated, or its state changed, in Unix time seconds.

Type: Timestamp

LastProcessingResult

The result of the last AWS Lambda invocation of your Lambda function.

Type: String

MaximumBatchingWindowInSeconds

(Streams and SQS standard queues) The maximum amount of time to gather records before invoking the function, in seconds. The default value is zero.

Type: Integer

Valid Range: Minimum value of 0. Maximum value of 300.

MaximumRecordAgeInSeconds

(Streams) Discard records older than the specified age. The default value is infinite (-1). When set to infinite (-1), failed records are retried until the record expires.

Type: Integer

Valid Range: Minimum value of -1. Maximum value of 604800.

MaximumRetryAttempts

(Streams) Discard records after the specified number of retries. The default value is infinite (-1). When set to infinite (-1), failed records are retried until the record expires.

Type: Integer

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

ParallelizationFactor

(Streams) The number of batches to process from each shard concurrently. The default value is 1.

Type: Integer

Valid Range: Minimum value of 1. Maximum value of 10.

Queues

(MQ) The name of the Amazon MQ broker destination queue to consume.

Type: Array of strings

Array Members: Fixed number of 1 item.

Length Constraints: Minimum length of 1. Maximum length of 1000.

Pattern: [\s\S]*

SelfManagedEventSource

The Self-Managed Apache Kafka cluster for your event source.

Type: SelfManagedEventSource object

SourceAccessConfigurations

An array of the authentication protocol, or the VPC components to secure your event source.

Type: Array of SourceAccessConfiguration objects

Array Members: Minimum number of 0 items. Maximum number of 22 items.

StartingPosition

The position in a stream from which to start reading. Required for Amazon Kinesis, Amazon DynamoDB, and Amazon MSK Streams sources. AT_TIMESTAMP is only supported for Amazon Kinesis streams.

Type: String

Valid Values: TRIM_HORIZON | LATEST | AT_TIMESTAMP

StartingPositionTimestamp

With StartingPosition set to AT_TIMESTAMP, the time from which to start reading, in Unix time seconds.

Type: Timestamp

State

The state of the event source mapping. It can be one of the following: Creating, Enabling, Enabled, Disabling, Disabled, Updating, or Deleting.

Type: String

StateTransitionReason

Indicates whether the last change to the event source mapping was made by a user, or by the Lambda service.

Type: String

Topics

The name of the Kafka topic.

Type: Array of strings

Array Members: Fixed number of 1 item.

Length Constraints: Minimum length of 1. Maximum length of 249.

Pattern: ^[^.]([a-zA-Z0-9\-_.]+)

TumblingWindowInSeconds

(Streams) The duration in seconds of a processing window. The range is between 1 second up to 900 seconds.

Type: Integer

Valid Range: Minimum value of 0. Maximum value of 900.

UUID

The identifier of the event source mapping.

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