NewReferral Properties Name Type Description Notes startDate OffsetDateTime Timestamp at which point the referral code becomes valid. [optional] expiryDate OffsetDateTime Expiration date of the referral code. Referral never expires if this is omitted, zero, or negative. [optional] usageLimit Integer The number of times a referral code can be used. `0` means no limit but any campaign usage limits will still apply. [optional] campaignId Integer ID of the campaign from which the referral received the referral code. advocateProfileIntegrationId String The Integration ID of the Advocate's Profile. friendProfileIntegrationId String An optional Integration ID of the Friend's Profile. [optional] attributes Object Arbitrary properties associated with this item. [optional]