She told reporters about this. 

“The president will accept the results of free and fair elections,” ABC quoted her as saying.

She also told reporters that, in her opinion, this is more a question for the US Democratic Party.

“The president will accept the results of a free and fair election.

But I think that your question is more fitting to be asked of Democrats, ”Kayleigh McEnany tells @jonkarl when asked about Trump declining to commit to a peaceful transfer of power.

- ABC News (@ABC) September 24, 2020

Earlier, Trump did not give a direct answer to the question of guarantees of a peaceful transfer of power after the US presidential election.