That is good news!
I hope she will be able to defecate properly without the prolapse coming out again.
You can keep her in a rather dark room for several days to stop the egglaying which will help the healing process.
Your hen is badly prolapsed and in need of immediate treatment.
You can give her a bath in warm water with epsom salt for about 15 minutes to clean the ventarea and relax her abdominal muscles.
Then dry her gently but thoroughly with clean towels, glove up and spread some cortisone or...