param 2 {
    param_speed_limits{
      type: bool;
      name: string(STR_PARAM_SPEED_LIMITS);
      desc: string(STR_PARAM_SPEED_LIMITS_DESC);
      names: {
        0: string(STR_PARAM_SPEED_LIMITS_0);
        1: string(STR_PARAM_SPEED_LIMITS_1);
      }
    }
  }