In public testimony, the top diplomat for the U.S. in Ukraine described a conversation, heard by a member of his staff, between the president and Gordon Sondland, the U.S. ambassador to the EU.
The committee chairman, Democrat Adam Schiff, and Republican ranking member Devin Nunes are getting assistance for their extended questioning in Wednesday's public impeachment inquiry hearing.
Kent said Rudy Giuliani, President Trump's lawyer, and his associates led a smear campaign against Marie Yovanovitch, the then-U.S. ambassador to Ukraine.
The Intelligence Committee chairman said bribery is a "breach of the public trust in a way where you're offering official acts for some personal or political reason, not in the nation's interest."
Democrats have called three career public servants to appear for the first public hearings in the Trump impeachment inquiry: William Taylor, George Kent and Marie Yovanovitch.
House investigators spoke with Laura Cooper, deputy assistant secretary of defense, in October. Cooper is responsible for policy toward Russia and Eastern Europe.
Croft worked on the National Security Council. Her transcript is among those released by House investigators ahead of the first open hearings of the inquiry.