Cost Updated
++++++++++++++++
.. _cost_updated:

This message contains periodic updates of the running total cost of a session.
The message is extended with custom data fields to allow running cost calculations
and inform EV-driver about upcoming price schedules.

.. jsonschema:: ../../../schemas/CostUpdatedUpdate.json
   :hide_key: /**/additionalProperties

Example::

   {
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "name": "cost_updated",
    "type": "update",
    "data": {
        "total_cost": 3.1,
        "evse_id": "DE*SEV*E123456789",
        "currency": "USD",
        "custom_data": {
            "vendor_id": "org.openchargealliance.costmsg"  # Optional
        }
    }
}