Debugger.getFunctionDetails

{
  "name": "getFunctionDetails",
  "parameters": [
    {
      "name": "functionId",
      "$ref": "Runtime.RemoteObjectId",
      "description": "Id of the function to get location for."
    }
  ],
  "returns": [
    {
      "name": "details",
      "$ref": "FunctionDetails",
      "description": "Information about the function."
    }
  ],
  "description": "Returns detailed information on given function."
}