| Name | Type | Description | Notes |
|---|---|---|---|
| type | int | The type of the event. | [optional] |
| time | int | The timestamp of the event in milliseconds since the epoch. | [optional] |
| data | string | Arbitrary data associated with the event. | [optional] |
| provider_message_id | string | Optional provider message ID. | [optional] |
| campaign_id | string | Optional campaign ID. | [optional] |
| drip_step_id | string | Optional drip step ID. | [optional] |
| rss_exec_id | string | Optional RSS execution ID. | [optional] |
| tag_id | string | Optional tag ID. | [optional] |
| link | string | Optional link associated with the event. | [optional] |
| list_id | string | Optional list ID. | [optional] |
| contact_id | string | Optional contact ID. | [optional] |
| custom_field_id | string | Optional custom field ID. | [optional] |
| template_id | string | Optional template ID. | [optional] |
| popup_id | string | Optional popup ID. | [optional] |
| landing_page_id | string | Optional landing page ID. | [optional] |
| form_id | string | Optional form ID. | [optional] |
| segment_id | string | Optional segment ID. | [optional] |
| automation_id | string | Optional automation ID. | [optional] |
| drip_id | string | Optional drip ID. | [optional] |
| rss_id | string | Optional RSS ID. | [optional] |
| ab_test_id | string | Optional A/B test ID. | [optional] |
| workflow_id | string | Optional workflow ID. | [optional] |
| workflow_node_id | string | Optional workflow node ID. | [optional] |
| workflow_email_id | string | Optional workflow email ID. | [optional] |