LOS ANGELES (AP) - An adult film actress who said she had sex with President Donald Trump offered Monday to return the $130,000 she was paid for agreeing not to discuss the alleged relationship.

Stormy Daniels - whose real name is Stephanie Clifford - is willing to repay the money she received as part of a 2016 agreement, as long as she can speak openly about the situation, according to a copy of a letter from Clifford's attorney obtained by The Associated Press.

The letter sent to Trump's attorney, Michael Cohen and his attorney, Lawrence Rosen, said the non-disclosure agreement would be considered "null and void" after she returned the money, and that would allow Clifford to speak about the relationship and the attempt to silence her while she publishes any text messages, photos and videos she may have.

FILE - In this May 6, 2009 file photo, Stormy Daniels visits a local restaurant in downtown New Orleans. The adult film actress who said she had sex with President Donald Trump is offering to return the $130,000 she was paid for agreeing not to discuss their alleged relationship. An attorney for Stormy Daniels, whose real name is Stephanie Clifford, sent a letter to Trump's lawyer Monday, March 12, 2018, saying she would wire the money to Trump if she could speak openly about their relationship. (AP Photo/Bill Haber, File)

"Mr. Cohen and the president should accept this proposal and allow Ms. Clifford to tell her side," her attorney Michael Avenatti said. "The American people can then decide who was telling the truth."

The offer is valid until Tuesday afternoon, the letter said.

Cohen and Rosen did not immediately respond Monday to requests for comment.

Clifford filed a lawsuit in Los Angeles last week that sought to invalidate the agreement so she could "set the record straight."

The lawsuit claimed the "hush agreement" that was signed days before the 2016 presidential election is legally invalid because it was only signed by Clifford and Cohen and not by Trump. It refers to Trump as David Dennison and Clifford as Peggy Peterson, xxporn but an attached exhibit details their true identities.

The Dallas Morning News reported Monday that Texas officials are investigating whether a notary properly witnessed the non-disclosure agreement.