var tag: string;
string tag;
tag as string

The tag of this game object.

A tag can be used to identify a game object. Tags must be declared in the tag manager before using them.
	gameObject.tag = "Player";
using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Example() {
        gameObject.tag = "Player";
import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Example() as void:
		gameObject.tag = 'Player'