Play Audio

public AudioClip[] audioClip;
  void PlaySound(int clip)
    {
        auio.clip  = audioClip {clip};
        audio.Play ();
    }

void OnTriggerLeftclick (Collider other)
{
audio.PlayOneShot(audioFile);
}

using UnityEngine;
using System.Collections;

public class PlayDoorSound : MonoBehaviour {

    public AudioClip weaponSound;

    public void PlayweaponnSound()
    {
        GetComponent<AudioSource>().PlayOneShot(weaponSound);
        Debug.Log("Weapon Sound Played!");
    }
}