unity if button pressed code example

Example 1: unity check if key pressed

if (Input.GetKeyDown(KeyCode.KEY))

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

Example 3: unity key pressed

using UnityEngine;

public class Egsample_script : MonoBehaviour
{
    [SerializeField] KeyCode your_key;
    //select a key under inspektor
    void Update()
    {
        if (Input.GetKey(your_key))
        {
            print("your selekted key was pressed");
        }
    }
}