This video has some good tips: Potty training girls (ages 3 to 4) | BabyCenter.

There is no reason to stress about this. If she struggles she can wear pull ups at night and or when you go out to avoid accidents but it'll help you if you no longer have to change diapers. The bigger she gets the harder this must be for you.

She really is getting old enough where you don't need to lift her out of bed either if the setup is for her height. You can come sit on the bed and talk to her, sing to her, turn on music, etc.