# TalonOne::UpdateReferral ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **friend_profile_integration_id** | **String** | An optional Integration ID of the Friend's Profile | [optional] **start_date** | **DateTime** | Timestamp at which point the referral code becomes valid. | [optional] **expiry_date** | **DateTime** | Expiry date of the referral code. Referral never expires if this is omitted, zero, or negative. | [optional] **usage_limit** | **Integer** | 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] **attributes** | [**Object**](.md) | Arbitrary properties associated with this item | [optional] ## Code Sample ```ruby require 'TalonOne' instance = TalonOne::UpdateReferral.new(friend_profile_integration_id: null, start_date: null, expiry_date: null, usage_limit: null, attributes: null) ```