The transmission fluid dipstick for a 1994 Chevy Beretta is located
on the passenger side of the engine. It's usually a long, thin dipstick with a handle, similar to the engine oil dipstick but often slightly shorter and sometimes marked with a different color or symbol. Look near the back of the engine, somewhat towards the firewall. You'll likely find it clustered with other dipsticks and/or filler caps in that area.
However, be aware that many automatic transmissions in this era don't have dipsticks. The fluid level may be checked through a specific port or by a mechanic with specialized equipment. If you can't readily find a dipstick, consult your owner's manual or a repair manual specific to your 1994 Chevy Beretta. Adding fluid to the wrong location can cause serious damage.