function.json

{
  "scriptFile": "main.py",
  "bindings": [
    {
      "type": "blobTrigger",
      "direction": "in",
      "name": "file_snake",
      "connection": "AzureWebJobsStorage",
      "path": "python-worker-tests/test-blob-trigger.txt"
    },
    {
      "type": "blob",
      "direction": "out",
      "name": "$return",
      "connection": "AzureWebJobsStorage",
      "path": "python-worker-tests/test-blob-triggered.txt"
    }
  ]
}