| Trigger Event | Before | After |
|---|---|---|
| Insert | Trigger.new (w) | Trigger.new, Trigger.newmap |
| Update | Trigger.new (w), Trigger.newmap (w), Trigger.old, Trigger.oldmap | Trigger.new, Trigger.newmap, Trigger.old, Trigger.oldmap |
| Delete | Trigger.old, Trigger.oldmap | Trigger.old, Trigger.oldmap |
| UnDelete | Trigger.new, Trigger.newmap |
(w) = Write-able
