Desired Custom Script Extension Use

desired custom script extension use.json

 {
        "name": "[concat('cluster-node', copyindex())]",
        "type": "Microsoft.Resources/deployments",
        "apiVersion": "2015-01-01",
        "dependsOn": [
            "storageAccountsLoop"
        ],
        "copy": {
            "name": "clusterNodesLoop",
            "count": "[variables('clusterSpec').clusterSize]"
        },
        "properties": {
            "mode": "Incremental",
            "templateLink": {
                "uri": "[variables('clusterSpec').vmTemplate]",
                "contentVersion": "1.0.0.0"
            },
            "parameters": {
                "skipping for brevity": {
                    "value": "........."
                }
            }
        }
    }, {
    "type": "Microsoft.Compute/virtualMachines/extensions",
    "name": "[concat(parameters('machineSettings').machineNamePrefix, '0', '/configurecouchbase')]",
    "apiVersion": "2015-05-01-preview",
    "location": "[parameters('commonSettings').region]",
    "dependsOn": [
      "[concat('Microsoft.Compute/virtualMachines/', parameters('machineSettings').machineNamePrefix, '0')]"
    ],
    "properties": {
      "publisher": "Microsoft.OSTCExtensions",
      "type": "CustomScriptForLinux",
      "typeHandlerVersion": "1.2",
      "settings": {
        "fileUris": "[variables('vmScripts').scriptsToDownload]",
        "commandToExecute": "[variables('vmScripts').configureCommand]"
      }
    }
  }