RESULT_TYPE_VISIT query on the Places service. It describes a visit to an entry; you can use it to determine the date and time of the last time the user visited a particular page, for example. This interface provides the session ID so that it's possible to group items from the same session together.
nsINavHistoryResultNode
Last changed in Gecko 1.9 (Firefox 3)| Attribute | Type | Description |
sessionId | long long | The session ID of the visit, used for session grouping when a tree view is sorted by date. Read only. |