Modifiying any payload dataclass

[arahman33]

Hi,

I am currently trying to test whether more arguments can be added to the already built payloads, for example, adding transaction_id in RequestStartTransactionPayload. Part of the reason I am trying to add this is because other available implementations of ocpp2.0.1 do include these fields. My initial attempts include adding the transaction_id in the class definition of the payload as follows:

@DataClass
class RequestStartTransactionPayload:
id_token: Dict
remote_start_id: int
evse_id: Optional[int] = None
group_id_token: Optional[Dict] = None
charging_profile: Optional[Dict] = None
custom_data: Optional[Dict[str, Any]] = None
transaction_id: str

I have bolded what I added into the class definition. However, when I try to run this, it gives me the following error:

request = call.RequestStartTransactionPayload(
TypeError: RequestStartTransactionPayload.init() got an unexpected keyword argument 'transaction_id'

What other files should be edited in order to make the test successful?

[jainmohit2001]

HI @arahman33, were you able to solve this issue?

At first glance, I believe the custom_data field is what you need. Please look up OCPP-2.0.1_edition3_part4_ocpp-j-specification: Section 9: CustomData Extension for more details.