Barrett is required to take two oaths before she can execute the duties of her appointed office: the constitutional oath and the judicial oath.
She just took the constitutional oath one hour ago in the White House tonight.
She will take the judicial oath on Tomorrow in a private ceremony at the Supreme Court. Following that oath, she will officially become an active participant in court proceedings.
She was confirmed to be a Supreme Court judge by vote 52:48 in senate three hours ago tonight.