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