# VoucherifySdk::RedemptionRollbackChannel ## Properties | Name | Type | Description | Notes | | ---- | ---- | ----------- | ----- | | **channel_id** | **String** | Unique identifier of the channel which was used by the user performing the redemption rollback. This is either a user ID from the user using the Voucherify Dashboard or an X-APP-Id of a user using the API. | [optional] | | **channel_type** | **String** | The source of the channel for the redemption. A `USER` corresponds to the Voucherify Dashboard and an `API` corresponds to the API. | [optional] |