IAmazonCloudFront.UpdateFunction Method (UpdateFunctionRequest)

Updates a CloudFront function.

You can update a function's code or the comment that describes the function. You cannot update a function's name.

To update a function, you provide the function's name and version (ETag value) along with the updated function code. To get the name and version, you can use ListFunctions and DescribeFunction.

Note:

For .NET Core this operation is only available in asynchronous form. Please refer to UpdateFunctionAsync.

Namespace: Amazon.CloudFront
Assembly: AWSSDK.CloudFront.dll
Version: 3.x.y.z

Syntax

public abstract UpdateFunctionResponse UpdateFunction(
         UpdateFunctionRequest request
)

Parameters

request: Type: Amazon.CloudFront.Model.UpdateFunctionRequest

Container for the necessary parameters to execute the UpdateFunction service method.

Return Value

Type: UpdateFunctionResponse

The response from the UpdateFunction service method, as returned by CloudFront.

Exceptions

Exception	Condition
FunctionSizeLimitExceededException	The function is too large. For more information, see Quotas (formerly known as limits) in the Amazon CloudFront Developer Guide.
InvalidArgumentException	An argument is invalid.
InvalidIfMatchVersionException	The If-Match version is missing or not valid.
NoSuchFunctionExistsException	The function does not exist.
PreconditionFailedException	The precondition in one or more of the request fields evaluated to false.
UnsupportedOperationException	This operation is not supported in this region.

Examples

Use the following command to update a function.

To update a function


var client = new AmazonCloudFrontClient();
var response = client.UpdateFunction(new UpdateFunctionRequest 
{
    FunctionCode = new MemoryStream(function-code-changed.js),
    FunctionConfig = new FunctionConfig {
        Comment = "my-changed-comment",
        KeyValueStoreAssociations = new KeyValueStoreAssociations {
            Items = new List<KeyValueStoreAssociation> {
                new KeyValueStoreAssociation { KeyValueStoreARN = "arn:aws:cloudfront::123456789012:key-value-store/54947df8-0e9e-4471-a2f9-9af509fb5889" }
            },
            Quantity = 1
        },
        Runtime = "cloudfront-js-2.0"
    },
    IfMatch = "ETVPDKIKX0DER",
    Name = "my-function-name"
});

string eTag = response.ETag;
FunctionSummary functionSummary = response.FunctionSummary;

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

IAmazonCloudFront.UpdateFunction (UpdateFunctionRequest)

Method