| Name | Description | Type | Additional information |
|---|---|---|---|
| D | date |
None. |
|
| U | string |
None. |
|
| PID | globally unique identifier |
None. |
|
| PN | string |
None. |
|
| AT | integer |
None. |
|
| AID | integer |
None. |
|
| A | Collection of Pair of integer [key] and Object [value] |
None. |