collision unity code example

Example 1: how to do collision tag in unity

void OnColliSionEnter2D(Collision col){
   if (col.gameobject.tag == "Enemy"){
        Destroy(gameObject)
        }
}

Example 2: unity 2d collision

void OnCollisionEnter2D(Collision2D col) {
  Debug.Log("Collided with: " + col.gameObject.name);
}