Ivanka Trump made a deal with her husband Jared Kushner when they decided to join the White House as unpaid advisers to President Trump, according to a new book: If the opportunity presented itself in the future, Ivanka would run for president.

“Between themselves, the two had made an earnest deal: If sometime in the future the opportunity arose, she’d be the one to run for president. The first woman president, Ivanka entertained, would not be Hillary Clinton; it would be Ivanka Trump,” author Michael Wolff writes in “Fire and Fury: Inside the Trump White House.”

New York Magazine published an excerpt of the book Wednesday.

Ivanka Trump and Kushner moved to Washington from New York after the election so that Kushner could continue advising the president from the White House. He played a prominent role in President Trump’s campaign.

After months of saying she would not take on a role in the White House, Ivanka Trump joined as an unpaid adviser this spring. Before joining the White House, she previously had not held any role in government.