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Unity - Scripting API: Transform.Find

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public

(string

);

Transform The found child transform. Null if child with matching name isn't found.

Finds a child by name n and returns it.

If no child with name n can be found, null is returned. If n contains a '/' character it will access the Transform in the hierarchy like a path name.

Note: Find does not work properly if you have '/' in the name of a GameObject.

using UnityEngine;
using System.Collections;
public class ExampleClass : MonoBehaviour
{
    public GameObject player;
    public Transform gun;
    public Transform ammo;
    //Invoked when a button is clicked.
    public void Example()
    {
        //Finds and assigns the child named "Gun".
        gun = player.transform.Find("Gun");
        //If the child was found.
        if (gun != null)
        {
            //Find the child named "ammo" of the gameobject "magazine" (magazine is a child of "gun").
            ammo = gun.transform.Find("magazine/ammo");
        }
        else Debug.Log("No child with the name 'Gun' attached to the player");
    }
}

As described Find does not descend the Transform hierarchy. Find will only search the given list of children looking for a named Transform. The following example shows the result of Find searching for GameObjects. The name of each GameObject is used in the Find. This is why two GameObjects in the same level of the hierarchy are found and reported.

// ExampleClass has a GameObject with three spheres attached.
// Two of these are children of the GameObject.  The third
// transform, sphere3, is a child of sphere2.  Find() does
// not find this child.
using UnityEngine;
public class ExampleClass : MonoBehaviour
{
    void Start()
    {
        Transform result;
        for (int i = 1; i < 4; i++)
        {
            string sph;
            sph = "sphere" + i.ToString();
            result = gameObject.transform.Find(sph);
            if (result)
            {
                Debug.Log("Found: " + sph);
            }
            else
            {
                //Find() does not find sphere3
                Debug.Log("Did not find: " + sph);
                //But we can access it with '/' character or by using GetChild()
                Transform newresult;
                newresult = gameObject.transform.Find("sphere2/sphere3");
                if (newresult)
                {
                    Debug.Log("But now found:" + sph);
                }
            }
        }
    }
}

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