## Associate WAFv2 Web ACL with a load balancer
## Alb = AWS::ElasticLoadBalancingV2::LoadBalancer
## webACL = AWS::WAFv2::WebACL

  wafALBAssociation:
    Type: AWS::WAFv2::WebACLAssociation
    Properties:
      ResourceArn: 
        !Sub 
          - 'arn:aws:elasticloadbalancing:${AWS::Region}:${AWS::AccountId}:loadbalancer/${TargetALB}'
          - TargetALB: !GetAtt Alb.LoadBalancerFullName
      WebACLArn: !GetAtt wafACL.Arn