Amplify monitory category - CF template

template.json

{
  "AWSTemplateFormatVersion":"2010-09-09",
  "Description":"SNS resource stack creation using Amplify CLI",
  "Parameters":{
    "env":{
      "Type":"String"
    },
    "alarmsTopicName":{
      "Type":"String"
    },
    "alarmsSubscriptionEmailProd":{
      "Type":"String"
    },
    "alarmsSubscriptionEmailTest":{
      "Type":"String"
    }
  },
  "Conditions":{
    "ShouldNotCreateEnvResources":{
      "Fn::Equals":[
        {
          "Ref":"env"
        },
        "NONE"
      ]
    },
    "IsEnvProd":{
      "Fn::Equals":[
        {
          "Ref":"env"
        },
        "prod"
      ]
    }
  },
  "Resources":{
    "AlarmsTopic":{
      "Type":"AWS::SNS::Topic",
      "Properties":{
        "TopicName":{
          "Fn::If":[
            "ShouldNotCreateEnvResources",
            {
              "Ref":"alarmsTopicName"
            },
            {
              "Fn::Join":[
                "",
                [
                  {
                    "Ref":"alarmsTopicName"
                  },
                  "-",
                  {
                    "Ref":"env"
                  }
                ]
              ]
            }
          ]
        },
        "Subscription":[
          {
            "Endpoint":{
              "Fn::If":[
                "IsEnvProd",
                {
                  "Ref":"alarmsSubscriptionEmailProd"
                },
                {
                  "Ref":"alarmsSubscriptionEmailTest"
                }
              ]
            },
            "Protocol":"email"
          }
        ]
      }
    }
  },
  "Outputs":{
    "Region":{
      "Value":{
        "Ref":"AWS::Region"
      }
    },
    "AlarmsTopicArn":{
      "Value":{
        "Ref":"AlarmsTopic"
      }
    }
  }
}