properties.json

{
  "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#",
  "contentVersion": "2017.09.01.0",
  "parameters": {
    "licenseType": {
      "type": "string",
      "defaultValue": "",
      "allowedValues": [
        "",
        "Windows_Client",
        "Windows_Server"
      ]
    },
    "availabilitySet": {
      "type": "object",
      "defaultValue": { },
      "metadata": {
        "description": "Specifies information about the availability set that the virtual machine should be assigned to. Virtual machines specified in the same availability set are allocated to different nodes to maximize availability."
      }
    },
    "hardwareProfile": {
      "type": "object",
      "metadata": {
        "description": "Specifies the hardware settings for the virtual machine."
      }
    },
    "storageProfile": {
      "type": "object",
      "metadata": {
        "description": "Specifies the storage settings for the virtual machine disks."
      }
    },
    "osProfile": {
      "type": "object",
      "metadata": {
        "description": "Specifies the operating system settings for the virtual machine."
      }
    },
    "networkProfile": {
      "type": "object",
      "metadata": {
        "description": "Specifies the network interfaces of the virtual machine."
      }
    },
    "diagnosticsProfile": {
      "type": "object",
      "defaultValue": { },
      "metadata": {
        "description": "Specifies the boot diagnostic settings state."
      }
    }
  },
  "variables": {
    "comments": {
      "defintition": "https://docs.microsoft.com/en-us/rest/api/compute/virtualmachines/virtualmachines-create-or-update#props"
    },
    "properties": {
      "licenseType": "[if(empty(parameters('licenseType')),json('null'),parameters('licenseType'))]",
      "availabilitySet": "[parameters('availabilitySet')]",
      "hardwareProfile": "[parameters('hardwareProfile')]",
      "storageProfile": "[parameters('storageProfile')]",
      "osProfile": "[parameters('osProfile')]",
      "networkProfile": "[parameters('networkProfile')]",
      "diagnosticsProfile": "[parameters('diagnosticsProfile')]"
    }
  },
  "resources": [
  ],
  "outputs": {
    "properties": {
      "type": "object",
      "value": "[variables('properties')]"
    }
  }
}