Optionalpayload?: {The payload of the event. The contents of this object depend on the type of event.
Optionalconversation?: ConversationTruncatedThe conversation a user lands in after being referred. See the conversation referrals guide for more details.
Optionalreferral?: ReferralOptionalsource?: SourceWithCampaignWebhookThe source of the referral.
Optionaluser?: UserWritableThe user associated with the conversation.
conversation:referral