Check out example codes for "how to get the name of the button pressed in unity". It will help you in understanding the concepts better.

Code Example 1

//this is Unity pared with C#

using UnityEngine.EventSystems;

public class Class : Monobehaviour
{
	//Call this function when the button is pressed
    public void ButtonClicked()
    {
    	string name = EventSystem.current.currentSelectedGameObject.name;
    }
}

Learn ReactJs, React Native from akashmittal.com