UnityでFPSControllerの感度をC#から変更したい

Question

##環境
macOS Mojave 10.14.4
Unity2018 C#
##やりたいこと
C#スクリプトからStandardAssetのFPSControllerのXSensitivityとYSensitivityを変更したいです。
##参考にさせていただいたサイト
https://living-sun.com/ja/c/181102-changing-firstpersoncontroller-mouselook-sensitivity-c-unity3d-unityscript.html
##書いたコード

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityStandardAssets.Characters.FirstPerson;

public class sensiSet : MonoBehaviour
{
FirstPersonController fps;

// Use this for initialization
void Start()
{
    GameObject fpsObj = GameObject.Find("FPSController");
    fps = fpsObj.GetComponent<FirstPersonController>();
}

void Update(){
    if(Input.GetMouseButton(1)){
        fps.mouseLookCustom.XSensitivity = 1;
        fps.mouseLookCustom.YSensitivity = 1;
    }else{
        fps.mouseLookCustom.XSensitivity = 2;
        fps.mouseLookCustom.YSensitivity = 2;
    }
}
}

##エラーコード

Assets/sensiSet.cs(19,29): error CS1061: Type `object' does not contain a definition for `XSensitivity' and no extension method `XSensitivity' of type `object' could be found. Are you missing an assembly reference?
Assets/sensiSet.cs(20,29): error CS1061: Type `object' does not contain a definition for `YSensitivity' and no extension method `YSensitivity' of type `object' could be found. Are you missing an assembly reference?
Assets/sensiSet.cs(22,29): error CS1061: Type `object' does not contain a definition for `XSensitivity' and no extension method `XSensitivity' of type `object' could be found. Are you missing an assembly reference?
Assets/sensiSet.cs(23,29): error CS1061: Type `object' does not contain a definition for `YSensitivity' and no extension method `YSensitivity' of type `object' could be found. Are you missing an assembly reference?

Answer 1

参考ページを見てみると、Assets/Standard Assets/Characters/FirstPersonCharacter/ScriptsにあるFirstPersonController.csにmouseLockCustomのプロパティは追加されましたか？

public MouseLook mouseLookCustom
{
    get { return m_MouseLook; }
}