TurboTax does not support IRS Form 3520, Annual Return To Report Transactions With Foreign Trusts and Receipt of Certain Foreign Gifts. That is a separate IRS form to be filed separately from your tax return.
IRS Form 3520 - https://www.irs.gov/pub/irs-pdf/f3520.pdf
IRS Form 3520 instructions - https://www.irs.gov/pub/irs-pdf/i3520.pdf
