| PKID | integer | plain | | | Event ID |
| fork | integer | plain | | forks.ID | Fork ID (`null` for base module); inherited from entity |
| owneruser | integer | plain | | users.ID | Owner user ID (PUBLIC if `owneruser`=`null` and `ownergroup`=`null`) |
| ownergroup | integer | plain | | groups.ID | Owner group ID (PUBLIC if `owneruser`=`null` and `ownergroup`=`null`) |
| creator | integer | plain | | users.ID | Creator user ID (defaults to authenticated user on creation) |
| creationdate | bigint | plain | | | Default: date_part('epoch', now())Creation date and time as a Unix timestamp (defaults to current date and time on creation) |
| lastmodified | bigint | plain | | | Default: date_part('epoch', now())Last modification date and time as a Unix timestamp (auto-reset on modification) |
| entity | t_entity | plain | | | Canonical entity |
| index | integer | plain | | | Entity ID |
| name | text | main | | | Name |
| color | character varying(6) | extended | | | Default: ''Color code (CSS-style hexadecimal without `#`) |
| datefrom | bigint | plain | | | Start date and time as a Unix timestamp; must be less than or equal to `dateto` |
| dateto | bigint | plain | | | End date and time as a Unix timestamp; must be greater than or equal to `datefrom` |
| meta | json | extended | | | JSON-encoded metadata (object) |