| ActivityID | Accessor for the activity id object. Clones the object to local process on first call. |
| ActivityIDExternal | Original activity identifier object. The object may be physically located in other process. |
| CurrentTransactionID | Accessor for the transaction id object. Clones the object to local process on first call. |
| CurrentTransactionIDExternal | Original transaction identifier object. The object may be physically located in other process. |
| CurrentUserID | The user id who caused the event handler call. |
| CurrentUserSessionInfo | Returns the original user SessionInfo if it exists in the current context. |
| CurrentUserSessionInfoExternal | The session info that represents the original (invoking) user session. |
| DisplayID | The handled object or value list item display id. Relevant only for events that handle objects of value list items. |
| MasterTransactionID | Accessor for the master transaction id object. Clones the object to local process on first call. |
| MasterTransactionIDExternal | Original master transaction identifier object. The object may be physically located in other process. |
| ObjVer | Accessor for the object version identifier object. Clones the object to local process on first call. |
| ObjVerEx | Returns an ObjVerEx for the current environment's ObjVer, if it exists. |
| ObjVerExternal | Original object identifier object. The object may be physically located in other process. |
| ParentTransactionID | Accessor for the parent transaction id object. Clones the object to local process on first call. |
| ParentTransactionIDExternal | Original parent transaction identifier object. The object may be physically located in other process. |
| SavepointVariables | |
| SavepointVariablesExternal | |
| TransactionCache | Accessor for the transaction cache. |
| TransactionCacheExternal | Original transaction cache object. The object may be physically located in other process. |
| Vault | The vault object. The vault object session is bound with the ongoing database transaction. |
| VaultSharedVariables | Accessor for the shared variables. |
| VaultSharedVariablesExternal | Original vault shared variables object. The object may be physically located in other process. |