| Name | Type | Description | Notes |
|---|---|---|---|
| url | string | The link to the current resource | [optional] |
| change_time | \DateTime | [optional] | |
| change_type | \Membercare\Client\Model\CommunityGroupChangeType | [optional] | |
| announcement_id | int | [optional] | |
| group_id | int | [optional] | |
| author | \Membercare\Client\Model\CommunityGroupAnnouncementAuthor | [optional] |