| Property | Data type | Description |
| LogActions | Boolean | (Read-write) True to enable action logging; true unless you set it to false |
| LogErrors | Boolean | (Read-write) True to enable error logging; true unless you set it false |
| NumActions | Integer | (Read-only) Number of actions logged so far |
| NumErrors | Integer | (Read-only) Number of errors logged so far |
| OverwriteFile | String | (Read-write) True to write over an existing file rather than to append; false unless you set it true |
| Parent | NotesSession | (Read-only) The session that contains a NotesLog object. For COM only. |
| ProgramName | String | (Read-write) Name of the script to which the entries apply; this string precedes each log entry |