How ROBERT DOWNEY JR.'s Child Wrote One of AVENGERS: ENDGAME's Most Powerful Lines - SPOILERS

Do they get a writing credit for this?

via The Nerd Machine

https://www.newsarama.com/45018-how-robert-downey-jr-s-children-wrote-one-of-avengers-endgame-s-most-powerful-lines-spoilers.html