# AWS::VpcLattice::Listener DefaultAction ## Syntax To declare this entity in your AWS CloudFormation template, use the following syntax: ### JSON
{ "Forward" : Forward, "FixedResponse" : FixedResponse }### YAML
Forward: Forward FixedResponse: FixedResponse## Properties #### Forward _Required_: No _Type_: Forward _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt) #### FixedResponse _Required_: No _Type_: FixedResponse _Update requires_: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)