how to detect a key press in unity code example

Example 1: unity check if key pressed

if (Input.GetKeyDown(KeyCode.KEY))

Example 2: if get key down unity

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour
{
    void Update()
    {
        if (Input.GetKeyDown("space"))
        {
            print("space key was pressed");
        }
    }
}

Example 3: unity key detection

void Update()
    {
        if (Input.GetKeyDown("space"))
        {
            print("space key was pressed");
        }
    }

Example 4: press key run code unity c#

if(Input.GetKey(KeyCode.space))
	{
  		print("Space key was pressed")
	}

Example 5: 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");
        }
    }
}