| id | str | Unique identifier for the milestone. | |
| category | str | Category of the milestone. | |
| type | str | Type of the milestone. | |
| start_date | datetime | Start date of the milestone. | |
| end_date | datetime | End date of the milestone, if any. | [optional] |
| related_event_tickers | List[str] | List of event tickers related to this milestone. | |
| title | str | Title of the milestone. | |
| notification_message | str | Notification message for the milestone. | |
| source_id | str | Source id of milestone if available. | [optional] |
| details | Dict[str, object] | Additional details about the milestone. | |
| primary_event_tickers | List[str] | List of event tickers directly related to the outcome of this milestone. | |
| last_updated_ts | datetime | Last time this structured target was updated. | |
