Hi,
Here you can see full code, I want to add phone field at the time of user registration and want to store in phone field in customer section, you can see in below screenshots what I have tried and what I want to achieve.
frontend: https://prnt.sc/26skq36
backend code: https://prnt.sc/26skqbg
what I want to achieve: https://prnt.sc/26skrdk
I hope I make this question clear with all above description. Thank you in advance!