Button to do two actions ?,

So as the title says, i want to make a button with the Cross Platform option for mobiles that will trigger two events, one is hiding and the other one is picking up stuff.

What should i add to the code to make it do such thing :

First Script:

 using System.Collections;
 using System.Collections.Generic;
 using System.Runtime.Remoting.Messaging;
 using UnityEngine;
 using UnityEngine.UI;
 using UnityEngine.SceneManagement;
 using UnityStandardAssets.Characters.FirstPerson;
 
 public class PlayerBehaviour : MonoBehaviour
 {
     [Header("Health Settings")]
     public GameObject healthSlider;
     public float health = 100;
     public float healthMax = 100;
     public float healValue = 5;
     public float secondToHeal = 10;
 
     [Header("Flashlight Battery Settings")]
     public GameObject Flashlight;
     public GameObject batterySlider;
     public float battery = 100;
     public float batteryMax = 100;
     public float removeBatteryValue = 20;
     public float secondToRemoveBaterry = 2;
 
     [Header("Audio Settings")]
     public AudioClip slenderNoise;
     public AudioClip cameraNoise;
 
     [Header("Page System Settings")]
     public List<GameObject> pages = new List<GameObject>();
     public int collectedPages;
 
     [Header("UI Settings")]
     public GameObject inGameMenuUI;
     public GameObject pickUpUI;
     public GameObject finishedGameUI;
     public GameObject pagesCount;
     public bool paused;
 
     void Start ()
     {
         // set initial health values
         health = healthMax;
         battery = batteryMax;
 
         healthSlider.GetComponent<Slider>().maxValue = healthMax;
         healthSlider.GetComponent<Slider>().value = healthMax;
 
         // set initial battery values
         batterySlider.GetComponent<Slider>().maxValue = batteryMax;
         batterySlider.GetComponent<Slider>().value = batteryMax;
 
         // start consume flashlight battery
         StartCoroutine(RemoveBaterryCharge(removeBatteryValue, secondToRemoveBaterry));
     }
     
     void Update ()
     {
         // update player health slider
         healthSlider.GetComponent<Slider>().value = health;
 
         // update baterry slider
         batterySlider.GetComponent<Slider>().value = battery;
 
         // if health is low than 20%
         if(health / healthMax * 100 <= 20 && health / healthMax * 100 != 0)
         {
             Debug.Log("You are dying.");
             this.GetComponent<AudioSource>().PlayOneShot(slenderNoise);
         }
 
         // if health is low than 0
         if (health / healthMax * 100 <= 0)
         {
             Debug.Log("You are dead.");
             health = 0.0f;
         }
 
         // if battery is low 50%
         if (battery / batteryMax * 100 <= 50)
         {
             Debug.Log("Flashlight is running out of battery.");
             Flashlight.transform.Find("Spotlight").gameObject.GetComponent<Light>().intensity = 2.85f;
         }
 
         // if battery is low 25%
         if (battery / batteryMax * 100 <= 25)
         {
             Debug.Log("Flashlight is almost without battery.");
             Flashlight.transform.Find("Spotlight").gameObject.GetComponent<Light>().intensity = 2.0f;
         }
 
         // if battery is low 10%
         if (battery / batteryMax * 100 <= 10)
         {
             Debug.Log("You will be out of light.");
             Flashlight.transform.Find("Spotlight").gameObject.GetComponent<Light>().intensity = 1.35f;           
         }
 
         // if battery out%
         if (battery / batteryMax * 100 <= 0)
         {
             battery = 0.00f;
             Debug.Log("The flashlight battery is out and you are out of the light.");
             Flashlight.transform.Find("Spotlight").gameObject.GetComponent<Light>().intensity = 0.0f;
         }
 
         // page system
         pagesCount.GetComponent<Text>().text = "Collected Pages: " + collectedPages + "/8";
 
         //animations
         if (Input.GetKey(KeyCode.LeftShift))
             this.gameObject.GetComponent<Animation>().CrossFade("Run", 1);
         else
             this.gameObject.GetComponent<Animation>().CrossFade("Idle", 1);
 
         // collected all pages
         if (collectedPages >= 8)
         {
             Debug.Log("You finished the game, congratulations...");
             Cursor.visible = true;
 
             // disable first person controller and show finished game UI
             this.gameObject.GetComponent<FirstPersonController>().enabled = false;
             inGameMenuUI.SetActive(false);
             finishedGameUI.SetActive(true);       
 
             // set play again button
             Button playAgainBtn = finishedGameUI.gameObject.transform.Find("PlayAgainBtn").GetComponent<Button>();
             playAgainBtn.onClick.AddListener(this.gameObject.GetComponent<MenuInGame>().PlayAgain);
 
             // set quit button
             Button quitBtn = finishedGameUI.gameObject.transform.Find("QuitBtn").GetComponent<Button>();
             quitBtn.onClick.AddListener(this.gameObject.GetComponent<MenuInGame>().QuitGame);
         } 
     }
 
     public IEnumerator RemoveBaterryCharge(float value, float time)
     {
         while (true)
         {
             yield return new WaitForSeconds(time);
 
             Debug.Log("Removing baterry value: " + value);
 
             if (battery > 0)
                 battery -= value;
             else
                 Debug.Log("The flashlight battery is out");
         }
     }
 
     public IEnumerator RemovePlayerHealth(float value, float time)
     {
         while (true)
         {
             yield return new WaitForSeconds(time);
 
             Debug.Log("Removing player health value: " + value);
 
             if (health > 0)
                 health -= value;
             else
             {
                 Debug.Log("You're dead");
                 paused = true;
                 inGameMenuUI.SetActive(true);
                 inGameMenuUI.transform.Find("ContinueBtn").gameObject.GetComponent<Button>().interactable = false;
                 inGameMenuUI.transform.Find("PlayAgainBtn").gameObject.GetComponent<Button>().interactable = true;
             }
         }
     }
 
     // function to heal player
     public IEnumerator StartHealPlayer(float value, float time)
     {
         while (true)
         {
             yield return new WaitForSeconds(time);
 
             Debug.Log("Healling player value: " + value);
 
             if (health > 0 && health < healthMax)
                 health += value;
             else
                 health = healthMax;
         }
     }
 
     // page system - show UI
     private void OnTriggerEnter(Collider collider)
     {
         // start noise when reach slender
         if (collider.gameObject.transform.tag == "Slender")
         {
             if (health > 0 && paused == false)
             {
                 this.GetComponent<AudioSource>().PlayOneShot(cameraNoise);
                 this.GetComponent<AudioSource>().loop = true;
             }            
         }
 
         if (collider.gameObject.transform.tag == "Page")
         {
             Debug.Log("You Found a Page: " + collider.gameObject.name + ", Press 'E' to pickup");
             pickUpUI.SetActive(true);      
         }
     }
 
     // page system - pickup system
     private void OnTriggerStay(Collider collider)
     {
         if (collider.gameObject.transform.tag == "Page")
         {       
             if (Input.GetKeyDown(KeyCode.E))
             {
                 Debug.Log("You get this page: " + collider.gameObject.name);
 
                 // disable UI
                 pickUpUI.SetActive(false);
 
                 // add page to list
                 pages.Add(collider.gameObject);
                 collectedPages ++;
 
                 // disable game object
                 collider.gameObject.SetActive(false);
             }
         }
     }
 
     private void OnTriggerExit(Collider collider)
     {
         // remove noise sound
         if (collider.gameObject.transform.tag == "Slender")
         {
             if (health > 0 && paused == false)
             {
                 this.GetComponent<AudioSource>().clip = null;
                 this.GetComponent<AudioSource>().loop = false;
             }          
         }
 
         // disable UI
         if (collider.gameObject.transform.tag == "Page")
             pickUpUI.SetActive(false);
     }
 }

Second Script :

 var Player : GameObject; 
 var HidingCamera : GameObject; 
 var activateTrigger : boolean = false; 
 
 function Start () {
     HidingCamera.SetActive(false);    //Disabels the the item in camera.
     Player.SetActive(true);    //turns on the item on the ground.
     activateTrigger = false;    //Activates the Trigger 
 }
 
 
 function OnTriggerExit (Col : Collider) 
 {
     if(Col.tag =="Player")
     {
         activateTrigger = false;    //Disables the Trigger 
     }
 }
 
 function OnTriggerEnter (Col : Collider) 
 {
     if(Col.tag =="Player")
     {
         activateTrigger = true;
 
         if(Input.GetKeyDown(KeyCode.E))
         {
             activateTrigger = true;
         }
     }
 }
 
 function Update () 
 {
     if (activateTrigger && Input.GetKey(KeyCode.E))
     {
         HidingCamera.SetActive(true); 
         Player.SetActive(false);
         activateTrigger = false;
     }
 }

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