Trigger Context Variables

Trigger Context Variables

	Description	Example
isAfter	Returns true if this trigger was fired after all records were saved.
isBefore	Returns true if this trigger was fired before any record was saved.
isDelete	Returns true if this trigger was fired due to a delete operation.
isExecuting	Returns true if the current context for the Apex code is a trigger only.
isInsert	Returns true if this trigger was fired due to an insert operation.
isUndelete	Returns true if this trigger was fired after a record is recovered from the Recycle Bin.
isUpdate	Returns true if this trigger was fired due to an update operation.
new	Returns a list of the new versions of the sObject records. (Only in insert and update triggers, and the records can only be modified in before triggers.)
newMap	A map of IDs to the new versions of the sObject records. (Only available in before update, after insert, and after update triggers.)
old	Returns a list of the old versions of the sObject records. (Only available in update and delete triggers.)
oldMap	A map of IDs to the old versions of the sObject records. (Only available in update and delete triggers.)
size	The total number of records in a trigger invocation, both old and new.