You are also having trouble finding UPI ID in PhonePe. You can follow these steps to find UPI ID in the PhonePe app.
First of all, open PhonePe. Now the profile will be visible on the screen, click on it.
Now you have to click on My Bhim UPI ID.
Now you can see your PhonepeUPI id. Now you can receive money by sharing it with anyone.
Add phonepe referral code on signup