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GameObject.FindGameObjectsWithTag

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public static function FindGameObjectsWithTag(tag: string): GameObject[];
public static GameObject[] FindGameObjectsWithTag(string tag);

Parameters

tagThe name of the tag to search GameObjects for.

Description

Returns a list of active GameObjects tagged tag. Returns empty array if no GameObject was found.

Tags must be declared in the tag manager before using them. A UnityException will be thrown if the tag does not exist or an empty string or null is passed as the tag.

	// Instantiates respawnPrefab at the location 
	// of all game objects tagged "Respawn".

var respawnPrefab : GameObject; var respawns; function Start() { if (respawns == null) respawns = GameObject.FindGameObjectsWithTag ("Respawn"); for (var respawn in respawns) Instantiate (respawnPrefab, respawn.transform.position, respawn.transform.rotation); }
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { public GameObject respawnPrefab; public Object respawns; void Start() { if (respawns == null) respawns = GameObject.FindGameObjectsWithTag("Respawn"); foreach (Object respawn in respawns) { Instantiate(respawnPrefab, respawn.transform.position, respawn.transform.rotation) as GameObject; } } }

Another example:

	// Print the name of the closest enemy
	print(FindClosestEnemy().name); 
	
	// Find the name of the closest enemy
	function FindClosestEnemy () : GameObject {
		// Find all game objects with tag Enemy
		var gos : GameObject[];
		gos = GameObject.FindGameObjectsWithTag("Enemy"); 
		var closest : GameObject; 
		var distance = Mathf.Infinity; 
		var position = transform.position; 
		// Iterate through them and find the closest one
		for (var go : GameObject in gos)  { 
			var diff = (go.transform.position - position);
			var curDistance = diff.sqrMagnitude; 
			if (curDistance < distance) { 
				closest = go; 
				distance = curDistance; 
			} 
		} 
		return closest;	
	}
using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { GameObject FindClosestEnemy() { GameObject[] gos; gos = GameObject.FindGameObjectsWithTag("Enemy"); GameObject closest; float distance = Mathf.Infinity; Vector3 position = transform.position; foreach (GameObject go in gos) { Vector3 diff = go.transform.position - position; float curDistance = diff.sqrMagnitude; if (curDistance < distance) { closest = go; distance = curDistance; } } return closest; } void Example() { print(FindClosestEnemy().name); } }

Another example, testing for empty array:

    // Search for game objects with a tag that is not used

function Start () { var gos : GameObject[]; gos = GameObject.FindGameObjectsWithTag("fred"); if (gos.length == 0) { Debug.Log("No game objects are tagged with fred"); } }