how to check if mouse button is pressed c# unity code example

Example 1: how to detect a mouse click in unity

using UnityEngine;
using System.Collections;

		if (Input.GetMouseButtonDown(0)) {
        	//Left Mouse Button
        } else if (Input.GetMouseButtonDown(1)) {
        	//Right Mouse Button
        } if (Input.GetMouseButtonDown(2)) {
        	//Middle Mouse Button
        }

Example 2: if button pressed unity

//There are two ways to do this:
someButton.onClick += someDelegate;
//OR
//you can add the event in the inspector, a video tutorial would work best here