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Question by Tomato4 · Sep 23, 2017 at 06:27 PM · c#event triggering

Add Event Trigger parameters using C#

I need to add Object into Event, then use script function (with param.). I want to understand the code and codes which is on this site is for me a little bit hard to understand. Can anyone help me? (I don't need to create new Event type or item to event type - that's already created) alt text

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Answer by Bilelmnasser · Sep 26, 2017 at 03:13 PM

Hi, This is how we access Event Trigger from Script :

   using System.Collections;
     using System.Collections.Generic;
     using UnityEngine;
     using UnityEngine.EventSystems;
     
     public class triggerAtRuntime: MonoBehaviour {
         // use the editor to grab the event Trigger component
         public EventTrigger trigger;
     
     
         // Use this for initialization
         void Start()
         {
 //Or use GetComponent<EventTrigger>( ) if EventTrigger is attached to same GameObject
             trigger = GetComponent<EventTrigger>( );
             EventTrigger.Entry entry = new EventTrigger.Entry( );
             entry.eventID = EventTriggerType.PointerDown;
             entry.callback.AddListener( ( data ) => { OnPointerDownDelegate( ( PointerEventData ) data ); } );
             trigger.triggers.Add( entry );
         }
     
         public void OnPointerDownDelegate( PointerEventData data )
         {
             foo( 100,"Hello World" );
         }
     
         void foo (int a, string b) {
             Debug.Log( a + " " + b );
         }
     }
 
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