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

GetLayerVersionPolicy

Returns the permission policy for a version of an AWS Lambda layer. For more information, see AddLayerVersionPermission.

Request Syntax

GET /2018-10-31/layers/LayerName/versions/VersionNumber/policy HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

The name or Amazon Resource Name (ARN) of the layer.

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

Pattern: (arn:[a-zA-Z0-9-]+:lambda:[a-zA-Z0-9-]+:\d{12}:layer:[a-zA-Z0-9-_]+)|[a-zA-Z0-9-_]+

Required: Yes

The version number.

Required: Yes

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200
Content-type: application/json

{
   "Policy": "string",
   "RevisionId": "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.

The policy document.

Type: String

A unique identifier for the current revision of the policy.

Type: String

Errors

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

InvalidParameterValueException

One of the parameters in the request is not valid.

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. For more information, see Lambda quotas.

HTTP Status Code: 429