Master programming syntax, solve interactive challenges & run live code in Syntaxis Explore Arena →
menu_book Course Curriculum (Apex Complete Course) expand_more
Core Syntax
Variables Primitive types String methods Lists Sets Maps Enums if statements switch on for loops
Classes & Interfaces
Class declaration Constructor Properties Getters and setters Static members Inheritance virtual and override Interfaces Abstract classes Inner classes
SOQL & SOSL
SOQL query SOQL bind variables Relationship query Aggregate query GROUP BY SOQL for loop Dynamic SOQL SOSL FIND QueryLocator FOR UPDATE
DML
insert update upsert delete undelete Database.insert allOrNone SaveResult Database.rollback Database.setSavepoint Merge records
Triggers
before insert trigger after insert trigger before update trigger after update trigger before delete trigger after undelete trigger Trigger.new Trigger.oldMap Bulkified trigger Trigger handler pattern
Asynchronous Apex
@future Queueable Queueable chaining Batchable start Batchable execute Batchable finish Schedulable System.schedule Platform event publish Transaction finalizer
Security & Sharing
with sharing without sharing inherited sharing Schema describe isAccessible isCreateable stripInaccessible User mode SOQL WITH SECURITY_ENFORCED RunAs in tests
Testing & Integration
@isTest Test.startTest stopTest Test data factory HttpCalloutMock WebServiceMock REST resource HTTP callout JSON.deserialize Custom exception Limits methods
Apex Complete Course / Triggers

after insert trigger

Learn after insert trigger in Apex with a construct-specific explanation, a unique example, a practical boundary, and a mastery check.

12 min read • Intermediate

after insert trigger is an atomic Apex topic inside Triggers. The example below uses the actual construct named by the lesson rather than a generic placeholder.

Focus on what after insert trigger changes: the input, binding, control path, object state, collection, runtime effect, or language contract. Then alter one value and verify that the behavior changes for a reason specific to this feature.

Topic-specific example

apex-05-02-after-insert-trigger.cls
apex Try It Live 
trigger AccountAfterInsert on Account (after insert) { System.debug(Trigger.newMap.keySet()); }
Edge case / engineering note

Validate the data scope and transaction impact. A correct example must use the actual query or data-change construct named by the lesson.

Content source & attribution
Original Syntaxis Content · Original Syntaxis Content

Lesson quizzes

after insert trigger Mastery Check →
← PREVIOUS
before insert trigger
NEXT →
before update trigger