| Name | Type | Description | Notes |
|---|---|---|---|
| contact_id | string | The unique ID that identifies the contact. | |
| campaign_activity_id | string | The unique ID that identifies of the campaign activity to use. | |
| tracking_activity_type | string | The tracked activity event type. | |
| email_address | string | The email address for the contact and tracking activity. | |
| first_name | string | The first name of the contact. | [optional] |
| last_name | string | The last name of the contact. | [optional] |
| created_time | \DateTime | The time the tracking activity occurred. | |
| deleted_at | \DateTime | The time the Contact was deleted | [optional] |
| sms_channel | \OpenAPI\Client\Model\TrackingActivitySmsChannelDTO | [optional] |