rbac.param.json

{
    "$schema": "https://schema.management.azure.com/schemas/2015-01-01/deploymentParameters.json#",
    "contentVersion": "1.0.0.0",
    "parameters": {
      "mastervmname": { "value": "fgtmaster" },
      "vmssName": { "value": "spi00" },
      "storageAccountName": { "value": "vgg736r3f2mzscust"}
    }
  }