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Types of Apex Triggers in Salesforce: Before, After & 7 Trigger Events Apex Apex triggers come in two timing variants (before and after) and seven event types. Knowing which to use prevents recursion, governor-limit errors, and the dreaded 'cannot reference deleted object' bugs. Top Mistakes Developers Make in Salesforce Apex Triggers Apex Non-bulkified code, several triggers on one object, hardcoded IDs and weak error handling are the Apex trigger mistakes that cost you performance, clean deployments and maintenance time. Apex Trigger Cheat Sheet - Master Salesforce Triggers Apex Tired of hitting SOQL limits and untangling messy triggers? This Apex Trigger Cheat Sheet covers the context variables, the before and after phases, bulkification, and the handler pattern. Apex Trigger Not Updating: Test Class Field Value Apex Your trigger looks like it is ignoring the field values your test class sets. Usually it is stale in-memory data, a missing input field, the wrong context variable, or async work that has not run yet. Apex Trigger Interview Questions and Real Code Scenarios Apex Prepping for a Salesforce technical interview? These Apex Trigger Interview Questions run from before vs after logic through to recursion, with the real code an interviewer will ask you to write on the whiteboard. Salesforce Trigger Class: Why and How to Use Handlers Apex Putting all your logic inside a trigger is how you end up with technical debt nobody wants to touch. Here is how a Salesforce trigger class makes that Apex reusable and much easier to test. Salesforce trigger handler: Best practices for Apex code Apex If you have ever dealt with a messy Salesforce org, you know how fast code gets out of hand. Here is the case for a trigger handler that keeps your logic organized and your triggers thin. Salesforce Trigger Types — Before vs After (Interview Question Answer) Interview Prep Before triggers change a record on the way into the database. After triggers work on records that are already saved. How to answer this interview question, and how to choose in real code. Trigger.new vs Trigger.newMap — Key Differences in Salesforce Apex Triggers Apex How to Pick the Right Salesforce Trigger Framework Apex Messy Apex and triggers firing in the wrong order are usually a pattern problem. Here is how the handler pattern and fflib compare, and how to pick one for your org. Choosing before vs after triggers in Salesforce Apex Apex Choosing the wrong trigger timing can lead to messy code and governor limit issues. Here is when to use before vs after triggers so you can keep your Salesforce org running smoothly. Apex Trigger Best Practices for Scalable Salesforce Code Apex Writing triggers is easy. Writing them so they don't break your org is the hard part. These are the patterns I use to keep the code clean, starting with the one trigger per object rule and handler classes. Salesforce Upsert Trigger - How Many Times Does It Fire? Apex Does an upsert fire both the insert and the update trigger at the same time? It is a common interview question that trips up even senior developers, and the answer comes down to how the platform routes each record in a bulk load. Salesforce Apex Trigger - What It Is and When to Use It Apex Wondering when to stop building in Flow and start writing code? This post covers what a Salesforce Apex Trigger actually is, and the cases where it beats standard automation. Salesforce Flow Types: Automate 90% of Your Needs Flow The five core Salesforce Flow types cover the vast majority of business processes teams automate. Here is what each one triggers on and the work it suits. Can we call a batch job from Trigger? | Call batch from trigger Apex Apex Trigger Upsert - How Many Times Does It Execute? Apex Your automation runs twice during an upsert because Salesforce splits the records into two buckets before the trigger ever fires. Here is what that does to your logic, and how to write code that survives a mixed batch. Fix Salesforce Trigger Recursion and Stack Depth Errors Apex Stack depth errors are a rite of passage for Salesforce developers. Here is why these loops happen and how to use static variables to keep your triggers under control. How to make an Apex trigger callout in Salesforce Apex Ever tried making an API call from a trigger and hit a wall? Triggers are fast, APIs are slow, so the request has to run asynchronously. Here is how to use future methods to get the job done. Validation Rules vs Triggers - Choosing the Right Tool Apex Choosing between a validation rule and a trigger can be tricky when you're trying to keep your data clean. The line runs between what a formula can express and what needs Apex, and getting it wrong leaves you with a technical debt nightmare.