DescribeFunction - Amazon CloudFront

DescribeFunction

Gets configuration information and metadata about a CloudFront function, but not the function’s code. To get a function’s code, use GetFunction.

To get configuration information and metadata about a function, you must provide the function’s name and stage. To get these values, you can use ListFunctions.

Request Syntax

GET /2020-05-31/function/Name/describe?Stage=Stage HTTP/1.1

URI Request Parameters

The request uses the following URI parameters.

Name

The name of the function that you are getting information about.

Required: Yes

Stage

The function’s stage, either DEVELOPMENT or LIVE.

Valid Values: DEVELOPMENT | LIVE

Request Body

The request does not have a request body.

Response Syntax

HTTP/1.1 200 <?xml version="1.0" encoding="UTF-8"?> <FunctionSummary> <FunctionConfig> <Comment>string</Comment> <Runtime>string</Runtime> </FunctionConfig> <FunctionMetadata> <CreatedTime>timestamp</CreatedTime> <FunctionARN>string</FunctionARN> <LastModifiedTime>timestamp</LastModifiedTime> <Stage>string</Stage> </FunctionMetadata> <Name>string</Name> <Status>string</Status> </FunctionSummary>

Response Elements

If the action is successful, the service sends back an HTTP 200 response.

The following data is returned in XML format by the service.

FunctionSummary

Root level tag for the FunctionSummary parameters.

Required: Yes

FunctionConfig

Contains configuration information about a CloudFront function.

Type: FunctionConfig object

FunctionMetadata

Contains metadata about a CloudFront function.

Type: FunctionMetadata object

Name

The name of the CloudFront function.

Type: String

Length Constraints: Minimum length of 1. Maximum length of 64.

Pattern: ^[a-zA-Z0-9-_]{1,64}$

Status

The status of the CloudFront function.

Type: String

Errors

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

NoSuchFunctionExists

The function does not exist.

HTTP Status Code: 404

UnsupportedOperation

This operation is not supported in this region.

HTTP Status Code: 400

See Also

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