zumbi-game/Assets/Scripts/GunController.cs

using UnityEngine;
using UnityEngine.InputSystem;

public class GunController : MonoBehaviour
{
    [SerializeField] private InputActionReference rightTriggerAction;

    [Header("Audio")]
    [SerializeField] private AudioSource audioSource;
    [SerializeField] private AudioClip triggerSoundEffect;

    private void OnEnable()
    {
        rightTriggerAction.action.Enable();
        rightTriggerAction.action.performed += OnTriggerPressed;
    }

    private void OnDisable()
    {
        rightTriggerAction.action.performed -= OnTriggerPressed;
        rightTriggerAction.action.Disable();
    }

    private void OnTriggerPressed(InputAction.CallbackContext context)
    {
        HandleShoot();
    }

    private void HandleShoot()
    {
        Debug.Log("Shoot!");
        audioSource.PlayOneShot(triggerSoundEffect);
    }
}