KeyCode.F

Description

'f' key.

//Attach this to a GameObject
//This script tells when the F arrow key is pressed down and when it is released
using UnityEngine;

public class Example : MonoBehaviour
{
    void Update()
    {
        //Detect when the F arrow key is pressed down
        if (Input.GetKeyDown(KeyCode.F))
        {
            Debug.Log("F key was pressed.");
        }

        //Detect when the F arrow key has been released
        if (Input.GetKeyUp(KeyCode.F))
        {
            Debug.Log("F key was released.");
        }
    }
}