How to get a GameObject from another GameObject

I have a prefab, and i Want to access this prefab object from another object

the scene hierarchy has:

• Player

• Camera

• Background

• Floor(Prefab)
  
  

and the prefab hierarchy has:

• Floor

• DeleteTrigger

• CreateTrigger

• TransformReference

  public class LevelGenerator : MonoBehaviour {
     // Start is called before the first frame update
 
     [SerializeField] private GameObject FloorRef;
     private void Awake()
     {
         GameObject g = FloorRef.Find("Floor")
         Instantiate(FloorRef, new Vector3(10, 0), Quaternion.identity);
     } 

}