# VoucherifySdk::ListPublicationsItemVoucher ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **code** | **String** | Voucher code. | | | **object** | **String** | The type of object represented by JSON. | [default to 'voucher'] | | **campaign** | **String** | Campaign name | | | **gift** | [**Gift**](Gift.md) | | [optional] | | **loyalty_card** | **Object** | Defines the loyalty card details. | [optional] | | **discount** | [**Discount**](Discount.md) | | [optional] | | **is_referral_code** | **Boolean** | Flag indicating whether this voucher is a referral code; `true` for campaign type `REFERRAL_PROGRAM`. | [optional] |