---
AWSTemplateFormatVersion: "2010-09-09"
Parameters:
  myAvailabilityZone:
    Type: AWS::Route53::HostedZone::Id
  myAvailabilityZone2:
    Type: Number
  myAvailabilityZoneList:
    Type: AWS::EC2::AvailabilityZone::Name
Resources:
  myInstance:
    Type: AWS::EC2::Instance
    Properties:
      AvailabilityZone: !Ref myAvailabilityZone
      ImageId: ami-123456
  myLoadBalancer:
    Type: AWS::ElasticLoadBalancing::LoadBalancer
    Properties:
      AvailabilityZones:
      - !Ref myAvailabilityZone2
  myLoadBalancer2:
    Type: AWS::ElasticLoadBalancing::LoadBalancer
    Properties:
      AvailabilityZones: !Ref myAvailabilityZoneList