# TalonOne.ReferralConstraints

## Properties

Name | Type | Description | Notes
------------ | ------------- | ------------- | -------------
**startDate** | **Date** | Timestamp at which point the referral code becomes valid. | [optional] 
**expiryDate** | **Date** | Expiration date of the referral code. Referral never expires if this is omitted. | [optional] 
**usageLimit** | **Number** | The number of times a referral code can be used. `0` means no limit but any campaign usage limits will still apply.  | [optional]