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Showing content from https://docs.aws.amazon.com/lambda/latest/dg/API_InvokeAsync.html below:

InvokeAsync - AWS Lambda

InvokeAsync

This action has been deprecated.

Important

For asynchronous function invocation, use Invoke.

Invokes a function asynchronously.

Note

If you do use the InvokeAsync action, note that it doesn't support the use of X-Ray active tracing. Trace ID is not propagated to the function, even if X-Ray active tracing is turned on.

Request Syntax

POST /2014-11-13/functions/FunctionName/invoke-async HTTP/1.1

InvokeArgs

URI Request Parameters

The request uses the following URI parameters.

FunctionName

The name or ARN of the Lambda function.

Name formats

Function name â my-function.
Function ARN â arn:aws:lambda:us-west-2:123456789012:function:my-function.
Partial ARN â 123456789012:function:my-function.

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

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

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-_]+))?

Required: Yes

Request Body

The request accepts the following binary data.

InvokeArgs

The JSON that you want to provide to your Lambda function as input.

Required: Yes

Response Syntax

HTTP/1.1 Status

Response Elements

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

Errors

For information about the errors that are common to all actions, see Common Errors.

InvalidRequestContentException

The request body could not be parsed as JSON, or a request header is invalid. For example, the 'x-amzn-RequestId' header is not a valid UUID string.

HTTP Status Code: 400

InvalidRuntimeException

The runtime or runtime version specified is not supported.

HTTP Status Code: 502

ResourceConflictException

The resource already exists, or another operation is in progress.

HTTP Status Code: 409

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