rename_serialize.py

class Person(BaseModel):
    id: PersonId
    name: str
    bank_account: Decimal
    birthdate: datetime.date
    friends: Optional[List[PersonId]] = None

    class Config:
        allow_population_by_field_name = True
        # We use the Python attribute 'bank_account',
        # but read/write the JSON 'bankAccount'
        fields = {"bank_account": "bankAccount"}