Minimum Data Types
The following minimum set of data types are required to adequately log vCloud environment activity for regulatory compliance:

User (including system account) access.

Action taken.

Use of identification and authentication mechanisms.

Start and stop of audit logs.

Creation or deletion of system-level objects.
The audit trail entries recorded for each event must include the following details:

Identification (ID).

Type of event.

Date and time.

Success or failure.

Origination of event.

ID of affected data or component.