core/homeassistant/components/openhome/strings.json

{
  "services": {
    "invoke_pin": {
      "name": "Play pin",
      "description": "Starts playing content pinned on the specified device.",
      "fields": {
        "pin": {
          "name": "Pin ID",
          "description": "ID of the pinned content."
        }
      }
    }
  }
}