prefab as AddComponent?

i have a prefab .
and i want to add it like a component

can this be done via script
i want to do this sort of thing if possible

GameObject temp = UnityEngine.Resources.LoadAssetAtPath(“Assets/Prefabs/MetalCollider.prefab”, typeof(GameObject)) as GameObject;

m_collider.AddComponent<temp>();

can this be done ?
its for inspetor Editing

No you can’t add a prefab to another object - you can only add scripts.