| Name | Type | Description | Notes |
|---|---|---|---|
| attributes | object | Arbitrary properties associated with this item. | [optional] |
| batch_id | str | The id of the batch the referral belongs to. | |
| start_date | datetime | Timestamp at which point the referral code becomes valid. | [optional] |
| expiry_date | datetime | Expiration date of the referral code. Referral never expires if this is omitted. | [optional] |
| usage_limit | int | The number of times a referral code can be used. This can be set to 0 for no limit, but any campaign usage limits will still apply. | [optional] |