Unity create a child object

How to reference a child object unity

    private void Start()
    {
        parentObject = GameObject.Find("Parent");// The name of the parent object
        childObject = parentObject.transform.GetChild(0).gameObject; // the parent index (starting from 0)
    }

Unity create a child object

		// spawns object
        objToSpawn = new GameObject("Start");

        // add Components
        objToSpawn.AddComponent<Rigidbody>();
        objToSpawn.AddComponent<MeshFilter>();
        objToSpawn.AddComponent<BoxCollider>();
        objToSpawn.AddComponent<MeshRenderer>();

        // sets the obj's parent to the obj that the script is applied to
        objToSpawn.transform.SetParent(this.transform);

How to reference a child gameobject unity

Transform[] transforms = this.GetComponentsInChildren<Transform>();
 
 foreach(Transform t in transforms)
 {
     if (t.gameObject.name == "Child")
     {
         Debug.Log ("Found " + t);
     }
 }

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