| Name | Type | Description | Notes |
|---|---|---|---|
| object | String | The object represented is an `event`. | [optional][default to 'event'] |
| type | String | The event name. | [optional] |
| customer | SimpleCustomerRequiredObjectType | ||
| referral | Object | A `null` referral object. | [optional] |
| loyalty | Object | A `null` loyalty object. | [optional] |
| metadata | Object | [optional] |