C# How to have character controller land on "deathbox" and die?

For my HW i need to make a character controller fall off something and land on a “deathbox” or “killzone” or whatever you want to call it and die. I’m really new at this and have absolutely no idea how to do any of it. I know I need colliders and maybe triggers, but that’s it. My MonoDevelop script is back to how it looks when opened. I’ve tried some stuff but nothing works.

Can anyone help?

You can make a trigger box that have a tag “KILLBOX”…and make a script that can be put inside you character. using OnTriggerEnter (Collider : hit) something like this :

void OnTriggerEnter (Collider hit)
{
    if (hit.gameObject.tag == "KILLBOX")
    {
        //killyour player
    }
}