It is reported by Politico.

“Today, as the speaker of the House of Representatives, I am writing to you with a request to urgently convene the US Senate in order to consider the bill on preventing violence with the use of firearms, which has already been passed by the House of Representatives and supported by both parties,” the text of the appeal says.

She reminded Trump of an article in the US Constitution that allows him to use his powers to urgently convene the Senate.