unity destroy particle after play code example

Example 1: how to make a partical system to destroy itself after it finishing

GameObject explosion = Instantiate(_Explosion, transform.position, Quaternion.identity);
            Destroy(explosion, explosion.GetComponent<ParticleSystem>().main.duration);

Example 2: c# delete particle system after finished

Destroy(gameObject, GetComponent<ParticleSystem>().startLifetime);