For example, Mr. Parnas’ phone included a screenshot of a previously-undisclosed May 10, 2019, letter from Mr. Giuliani to then-President-elect Zelensky. The one-page letter signed by Mr. Giuliani states, in part: Dear President-Elect Zelensky: I am private counsel to President Donald J. Trump.
https://www.reddit.com/r/politics/comments/eospiq/documents_produced_by_lev_parnas_to_the_house/