tatypes used within the VISS interfaces.</p>
      <pre>
{
            "definitions": {
                "requestId": {
                    "description": "Returned by the server in the response and used by the client to link the request and response messages.",
                    "type": "string"
                },
                "path": {
                    "description": "The path to the desired vehicle signal(s), as defined by the Vehicle Signal Specification (VSS).",
                    "ty