Specifies all data, as attributes, included into the callback notification, which depends on the event.
| Name | Type | Description | Notes |
|---|---|---|---|
| product | str | Represents the Crypto APIs 2.0 product which sends the callback. | |
| event | str | Defines the specific event, for which a callback subscription is set. | |
| item | CoinsForwardingFailDataItem | ||
| any string name | bool, date, datetime, dict, float, int, list, str, none_type | any string name can be used but the value must be the correct type | [optional] |