Salesforce Developer Tutorial - The Complete Guide To Apex Triggers in 2022

In this episode we go over what absolutely everything you would need to know about apex triggers in Salesforce. We cover the basics, what a trigger is and why to use one, as well as more advanced concepts like trigger handlers, domain classes and siloing applications in your triggers! Code on GitHub: https://github.com/Coding-With-The-Force/Salesforce-Development-Tutorials/tree/main/The_Complete_Guide_To_Apex_Triggers Apex Docs on Triggers: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_triggers.htm Apex Docs on Order of Execution: https://developer.salesforce.com/docs/atlas.en-us.apexcode.meta/apexcode/apex_triggers_order_of_execution.htm Kevin Ohara Trigger Framework: https://github.com/kevinohara80/sfdc-trigger-framework Mitch Spano Trigger Actions Framework: https://github.com/mitchspano/apex-trigger-actions-framework Apex Common Library: https://github.com/apex-enterprise-patterns/fflib-apex-common My Apex Triggers Playlist: https://youtube.com/playlist?list=PL0wESsiWMBTrTrHdyUGJqHvlnYnq8Knym Schedule Salesforce consulting time with me here: https://calendly.com/codingwiththeforce/60minuteconsult Please consider donating to help continue to improve the content produced for Coding With The Force: https://www.paypal.com/donate?business=RNHEF8ZWKKLDG&currency_code=USD Get Coding With The Force Merch Here: https://www.redbubble.com/people/Coding-Force/shop?asc=u Follow all of our social media here: Patreon: https://www.patreon.com/CodingWithTheForce Github: https://github.com/Coding-With-The-Force Facebook: https://www.facebook.com/codingwiththeforce/ Twitter: https://twitter.com/Coding_Force Instagram: https://www.instagram.com/codingwiththeforce/ Salesforce development books I recommend: Advanced Apex Programming: https://amzn.to/3lXi8to Salesforce Lightning Platform Enterprise Architecture: https://amzn.to/2R0D4BQ Mastering Salesforce DevOps: https://amzn.to/3lTtTRN Apex Design Patterns Book: https://amzn.to/3DwqljP Good Non-SF Specific Development Books: Clean Code: https://amzn.to/35PuMDU Clean Architecture: https://amzn.to/35FYo6A Design Patterns: Elements of Reusable Object-Oriented Software Book: https://amzn.to/3LhvHBd ----------------------------------------------------------------------------------------------------------------------- Table of Contents: 0:00 - Intro 0:49 - What we'll cover in this video 2:26 - What is a Trigger and why use one? 5:03 - When does a Trigger fire? 8:10 - When to use a Trigger instead of a Flow? 12:59 - The difference between a before and an after trigger? 14:40 - How to create an Apex Trigger 21:01 - The differences between Apex Triggers and Apex Classes 27:50 - How to run the trigger 29:30 - How to use Trigger Context Variables 40:02 - Why you can't update trigger records in After Triggers 44:54 - How to use addError in a trigger to make custom validation rules 47:30 - Why you should never have more than one trigger per object 49:45 - When should you use async processes instead of triggers? 55:27 - Trigger Bulkification Tips and Suggestions 1:00:08 - Why you should never use more than one automation process 1:04:36 - Benchmarking the one automation process compared to combining automation processes 1:10:49 - How to prevent your trigger from hitting limits 1:15:35 - Trigger bulkification tips recap 1:20:37 - What are Trigger Handlers and Why use them? 1:25:28 - What are my suggested Trigger Handler Frameworks? 1:35:22 - What are Domain classes? 1:40:17 - How to create Domain/Trigger Silos for multiple applications in your Salesforce Org. 2:05:32 - The importance of trigger switches (turning your trigger on and off) DISCLAIMER: The views and ideas expressed on this YouTube channel and blog are based on past development experiences and may not always work for your particular scenarios. The advice in these videos may also become outdated as technology advances. They should be used as examples for educational purposes only. Using any shown solutions in your own org is not advisable since they are example scenarios. #salesforce #salesforcedeveloper #salesforceadmin