u/D4vy70n35

Hello, I'm new to banjo and I'm trying to do this song. https://youtu.be/kxf0EORgZhA?si=yq7fAPHuvKloQSGO

I found the chord and all but I'm having difficulty with the roll pattern, I'm sure I have half of it right but the other half escapes me. All guesses are welcome. Thanks a lot.