There are tickets for the golf tour for as little as $1 on sale.
Light crowds attended the Saudi-backed event.
The Arab kingdom has a poor record of human rights.
According to a report, tickets for the LIV golf tournament at Trump National Golf Club in Bedminster, New Jersey, are selling for as little as $1.
Light crowds were spread across much of the vast grounds as Saturday tickets were sold for as little as $1 on the ticket website StubHub.
The event is bankrolled by Saudi Arabia's wealth fund, which is overseen by the crown prince.
The event that Donald Trump hosted at one of his golf courses was criticized for the killing of a journalist in Saudi Arabia.
The 9/11 Justice group, composed of family members of 9/11 victims, has criticized Trump for hosting the tournament despite the fact that there is clear evidence linking Saudi Arabia to the terrorist attack.
A group of 9/11 family members and survivors protested.
According to The Wall Street Journal, Trump talked about Trump Doral, his Miami property that will host a second event this year.
When asked how much he was being paid, Trump said it was "very generous" but he didn't do it for that.
A heckler yells at Phil Mickelson as he prepares to start his golf game.
"Do it for the Saudi royal family!" yelled the heckler, who was part of a comedy duo.
—The Good Liars (@TheGoodLiars) July 30, 2022
Trump claimed that nobody had gotten to the bottom of 9/11 while speaking to reporters from the golf course.
The 9/11 Justice group wrote an open letter to Trump, saying that he blamed Saudi Arabia for the attack.
Trump has participated in the event despite the criticism.
He told The Wall Street Journal that he thought the tournament was an investment in the image of Saudi Arabia.
Business Insider has an article on it.