inactive after active with press key unity code example

Example 1: inactive after active with press key unity

if (Input.GetKeyDown(KeyCode.Escape))
{
    yourObject.SetActive(!yourObject.activeSelf);
}

Example 2: inactive after active with press key unity

public GameObject shieldObject;

if (Input.GetKeyDown(KeyCode.LeftShift))
{
    shieldObject.SetActive(true);
}
else if (Input.GetKeyUp(KeyCode.LeftShift))
{
    shieldObject.SetActive(false);
}