Скачать или смотреть Apex 21| Triggers Part 02 | Context Variables | isExecuting | isInsert | isUpdate | isDelete |

#Salesforce Realtime Training Apex Session 21 Triggers Part 02 by Swapna

Topics Covered
(Trigger Context Variables, isExecuting, isInsert, isUpdate, isDelete, isUndelete, isAfter, new, newMap, old, oldMap, size)
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#TriggerContextVariables
Variable (system defined variable) that give value to a developer during a

#TriggerRuntimeProcess

01) isExecuting -- return Boolean value (true/false) if a trigger is running or not
02) isInsert -- Boolean returns true , if trigger was fired due to insertion
03) isUpdate -- Boolean returns true, if an update action occured/if any update happen on the record
04) isDelete -- Boolean returns true, if delete action occured.
05) isUndelete -- Boolean returns true, if data was restored from Recycle Bin
06) isBefore -- Boolean returns true, before saving the date to database
07) isAfter --Boolean returns true, if the trigger fired after the data is saved into the database.
08) new --returns a list of new version of sObject records
09) newMap -- returns MapId,Sobject Data of all the new records that are created
10) old -- return a lis of old version of sObject Records
11) oldMap -- returns Mapid,sObject data of all the old version of sObject records
12) size -- returns number(integer) of data particapting in the trigger.

Library == object
Price 100 * 0.9-- 90 --- Formula field ??
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Assignment:
01) Write a trigger to update phone with '99999999' and email : "[email protected]" for all contact
that does not have the phone number
02) whenever a case is created with origin=email then set the status as "In-progess" and priority=Medium.

03) whenever a Lead is created with Leadsource=Web then give rating=Cold otherwise hot.
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Interview Questions :

01) How is Trigger.New Different From Trigger.newMap?
02) How is Trigger.old different from Trigger.oldMap ?
03) How is Trigger.new different from Trigger.old ?

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Realtime Scenorio Implementation

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Trailhead
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