<filename>Stream Interface/Flow/Flow Start/descriptor.json
{
  "description": "Sends an empty message to the output connector on flow start. Any activities that must be done on flow start can be connected here.",
  "links": {
    "output": [
      {
        "name": "Out",
        "type": "message"
      }
    ]
  },
  "properties": [
  ]
}