How to tell how many players are in a room

how can I tell how many players are in a room? I made a non cancollide part but I don’t know where to go from there.

Specifically, I want to see how many players are in a room so certain events can happen in my game to that SINGULAR person.

Several ways, but the most reliable is likely using a region query. Read up on GetPartsBoundInBox here:

WorldRoot | Documentation - Roblox Creator Hub