| Name | Type | Description | Notes |
|---|---|---|---|
| contact_id | string | The contact ID. | |
| campaign_activity_id | string | The unique ID of the activity for an e-mail campaign. | |
| created_time | \DateTime | The time the tracking activity occurred | [optional] |
| tracking_activity_type | string | The types of the tracking activities included in the request. For example, sends, opens, clicks, bounces, opt-outs, or forwards. | [optional] |
| campaign_activity_name | string | The campaign activity name. | [optional] |