unity how to enable a gameobject code example

Example 1: unity how to set gameobjkect enabled

//This is for unity
GameObject.SetActive(true);

Example 2: unity enable gameobject

GameObject.Find("PlayMenu 3").SetActive(false);
// you could also store a GameObject as  variable

Example 3: deactivate a gameobject unity

public void SetActive(bool value);

Example 4: on GAMEOBJECT enable unity

void OnEnable()
    {
        Debug.Log("PrintOnEnable: script was enabled");
    }