# VoucherifySdk::CustomerActivity ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **id** | **String** | Unique event ID, assigned by Voucherify. | [optional] | | **type** | **String** | Event type. | [optional] | | **data** | **Object** | Contains details about the event. The objects that are returned in the data attribute differ based on the context of the event type. | [optional] | | **created_at** | **Time** | Timestamp representing the date and time when the customer activity occurred in ISO 8601 format. | [optional] | | **group_id** | **String** | Unique identifier of the request that caused the event. | [optional] |