tock / ai.tock.bot.engine.event / ReferralParametersEvent

# ReferralParametersEvent

`class ReferralParametersEvent : OneToOneEvent` (source)

A referral event is an event that contains a String reference.

### Constructors

#### <init> | A referral event is an event that contains a String reference. `ReferralParametersEvent(userId: PlayerId, recipientId: PlayerId, applicationId: String, ref: String)`

### Properties

#### ref | `val ref: String`