authentication/admin.py

from django.contrib import admin
from .models import Coupon, UserData

# Register your models here.
class UserDataAdmin(admin.ModelAdmin):
    list_display = ['user', 'phone', 'birthDate', 'rewardPoints']

class CouponAdmin(admin.ModelAdmin):
    list_display = ['name', 'pointsNeededForRedemption', 'couponCode', 'loyaltyCode', 'discount', 'isExpired', 'expiryDate',]

admin.site.register(Coupon, CouponAdmin)
admin.site.register(UserData, UserDataAdmin)