{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "vmAdminUserName": {
      "value": ""
    },
    "vmAdminPassword": {
      "value": ""
    },
    "vmDnsName": {
      "value": ""
    },
    "vmSize": {
      "value": "Standard_D2_v2"
    },
    "tentacleOctopusServerUrl": {
      "value": ""
    },
    "tentacleApiKey": {
      "value": ""
    },
    "tentacleCommunicationMode": {
      "value": "Listen"
    },
    "tentaclePort": {
      "value": 10933
    },
    "tentacleRoles": {
      "value": ""
    },
    "tentacleEnvironments": {
      "value": ""
    },
    "tentaclePublicHostNameConfiguration": {
      "value": ""
    },
    "tentacleCustomPublicHostName": {
      "value": ""
    }
  }
}

{
  "$schema": "http://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
  "contentVersion": "1.0.0.0",
  "parameters": {
    "vmAdminUserName": {
      "value": ""
    },
    "vmAdminPassword": {
      "value": ""
    },
    "vmDnsName": {
      "value": ""
    },
    "vmSize": {
      "value": "Standard_D2_v2"
    },
    "tentacleOctopusServerUrl": {
      "value": ""
    },
    "tentacleApiKey": {
      "value": ""
    },
    "tentacleCommunicationMode": {
      "value": "Listen"
    },
    "tentaclePort": {
      "value": 10933
    },
    "tentacleRoles": {
      "value": ""
    },
    "tentacleEnvironments": {
      "value": ""
    },
    "tentaclePublicHostNameConfiguration": {
      "value": "PublicIP"
    },
    "tentacleCustomPublicHostName": {
      "value": ""
    }
  }
}

Set the default value for the Public Host Name Configuration
Set the default value for the Public Host Name Configuration
