| Name | Type | Description | Notes |
|---|---|---|---|
| item_tags | [String] | An optional list of item tags which will receive a discount. | [optional] |
| items | [String] | An optional list of items of which one must be purchased to receive free quantity of the same item. | [optional] |
| limit | Number | The limit of free items that may be received when purchasing multiple items | [optional] |