Help with fishing

I’m making a game similar to Stardew valley and I want to add fishing does anybody know how to add a device that would make fishing like in fishtopia.

I believe fishtopia uses a button and item granter system with some block code.

(I can’t help with the block code part, but here’s the general idea)

ooooh yes (see: My fish selling station isn’t working); Its complicated

Try look at Blizzy’s Fishing guide remake: