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API_GetEventSourceMapping.md

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GetEventSourceMapping

Returns details about an event source mapping.

Request Syntax

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

URI Request Parameters

The request requires the following URI parameters.

** UUID ** The identifier of the event source mapping.

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200
Content-type: application/json

{
   "[BatchSize](#SSS-GetEventSourceMapping-response-BatchSize)": number,
   "[EventSourceArn](#SSS-GetEventSourceMapping-response-EventSourceArn)": "string",
   "[FunctionArn](#SSS-GetEventSourceMapping-response-FunctionArn)": "string",
   "[LastModified](#SSS-GetEventSourceMapping-response-LastModified)": number,
   "[LastProcessingResult](#SSS-GetEventSourceMapping-response-LastProcessingResult)": "string",
   "[State](#SSS-GetEventSourceMapping-response-State)": "string",
   "[StateTransitionReason](#SSS-GetEventSourceMapping-response-StateTransitionReason)": "string",
   "[UUID](#SSS-GetEventSourceMapping-response-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.

** 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-_]+))?

** LastModified ** The date that the event source mapping was last updated, in Unix time seconds.
Type: Timestamp

** LastProcessingResult ** The result of the last AWS Lambda invocation of your Lambda function.
Type: String

** 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 ** The cause of the last state change, either User initiated or Lambda initiated.
Type: String

** UUID ** The identifier of the event source mapping.
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

ResourceNotFoundException
The resource (for example, a Lambda function or access policy statement) 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
Request throughput limit exceeded
HTTP Status Code: 429

See Also

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