White House communications director Hope Hicks steamed President Trump's suits on the 2016 campaign trail while he was wearing them, according to an upcoming book on the campaign.

The book, "Let Trump Be Trump," is co-authored by former campaign manager Corey Lewandowski and deputy campaign manager David Bossie. In it, the two detail what it was like on the campaign trail with Trump, including that among numerous other duties as press secretary, Hicks was in charge of steaming Trump's suits.

According to The Washington Post, which obtained an early copy of the book, Hicks would bring a steamer on Trump's campaign plane and make sure his suits were always pressed.

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Trump would reportedly yell at Hicks to "get the machine!"

“And Hope would take out the steamer and start steaming Mr. Trump’s suit, while he was wearing it! She’d steam the jacket first and then sit in a chair in front of him and steam his pants," Lewandowski writes, according to the Post.

On one occasion, Hicks forgot the portable steamer, which was "a mistake she would never make again" the book says.

"G--dammit, Hope! How the hell could you forget the machine?" Trump reportedly yelled.

Hicks, 28, became the youngest-ever White House communications director after the back to back departures of acting director Sean Spicer and Anthony Scaramucci.

In the book, set to release on Tuesday, Lewandowski and Bossie detail Trump's road to victory in 2016.