AWS SDK Version 3 for .NET
API Reference

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Updates the configuration of a Lambda function alias.

Note:

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

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

Syntax

C#
public virtual UpdateAliasResponse UpdateAlias(
         UpdateAliasRequest request
)

Parameters

request
Type: Amazon.Lambda.Model.UpdateAliasRequest

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

Return Value


The response from the UpdateAlias service method, as returned by Lambda.

Exceptions

ExceptionCondition
InvalidParameterValueException One of the parameters in the request is not valid.
PreconditionFailedException The RevisionId provided does not match the latest RevisionId for the Lambda function or alias. Call the GetFunction or the GetAlias API operation to retrieve the latest RevisionId for your resource.
ResourceConflictException The resource already exists, or another operation is in progress.
ResourceNotFoundException The resource specified in the request does not exist.
ServiceException The Lambda service encountered an internal error.
TooManyRequestsException The request throughput limit was exceeded. For more information, see Lambda quotas.

Examples

The following example updates the alias named BLUE to send 30% of traffic to version 2 and 70% to version 1.

To update a function alias


var response = client.UpdateAlias(new UpdateAliasRequest 
{
    FunctionName = "my-function",
    FunctionVersion = "2",
    Name = "BLUE",
    RoutingConfig = new AliasRoutingConfiguration { AdditionalVersionWeights = new Dictionary<string, double> {
        { "1", 0.7 }
    } }
});

string aliasArn = response.AliasArn;
string description = response.Description;
string functionVersion = response.FunctionVersion;
string name = response.Name;
string revisionId = response.RevisionId;
AliasRoutingConfiguration routingConfig = response.RoutingConfig;

            

Version Information

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

See Also