userausfall/userausfall/rest_api/serializers.py

from rest_framework import serializers

from userausfall.models import User


class UserSerializer(serializers.ModelSerializer):
    confidant_email = serializers.EmailField(source="get_confidant_email")

    class Meta:
        model = User
        fields = ("email", "username", "confidant_email")

    def get_confidant_email(self):
        return ""

    def update(self, instance, validated_data):
        print(validated_data)
        confidant = validated_data.pop("get_confidant_email")
        return super().update(instance, validated_data)