Form 709 is used to file a gift tax and it is sent separately from your federal return. For 2022 you were allowed to give up to $16,000 without having to file the form. There is a lifetime exclusion that your yearly gifts are applied against.
https://ttlc.intuit.com/turbotax-support/en-us/help-article/taxation/report-cash-gift/L5ovEeUBM_US_e...
https://turbotax.intuit.com/tax-tips/estates/the-gift-tax-made-simple/L5tGWVC8N
https://www.irs.gov/pub/irs-pdf/f709.pdf
