{
"rules": [
{
"enabled": true,
     "name": "cvshadowcopy-do-not-use-or-delete",
      "type": "Lifecycle",
      "definition": {
       "actions": {
       "baseBlob": {
        "delete": {
        "daysAfterModificationGreaterThan": 7
   }
          }
        },
   "filters": {
          "blobTypes": [
          "blockBlob"
          ],
          "prefixMatch": [
            "cvshadowcopy-do-not-use-or-delete/"
          ]
        }
      }
    }
  ]
}