# Voucherify.BenefitTransactionDetailsMetadata

## Properties

Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**eventId** | **String** | Unique identifier of the event that triggered the fulfillment. Custom events use the `evcus_` prefix; other source events use their own ID formats. | [optional] 
**earningItemId** | **String** | Identifier of the earning item that produced the benefit (format `lernei_...`). `null` when the earning item is unknown. | [optional]