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Understanding Order of Execution in Salesforce

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Link to the post - https://ayaninsights.com/guestblogs/salesforce-order-of-execution-review/ In this article, I review Salesforce’s Order of Execution and explain why understanding it is essential for building reliable automation and avoiding unexpected behavior. Whenever a record is created, updated, or upserted, Salesforce processes validations, flows, triggers, workflow rules, duplicate rules, and other automation in a specific sequence. Knowing this sequence helps developers and administrators prevent overwritten field values, recursive logic, automation conflicts, and inconsistent results. The blog walks through the major execution stages, including system validation, custom validation rules, before-save flows, before triggers, duplicate checks, temporary record saving, after triggers, workflow rules, post-save automation, database commit, and post-commit actions such as emails and asynchronous jobs. I also highlight important considerations for developers. For example, Trigge...

Salesforce Order of Execution

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Salesforce executes a sequence of events in a specific order when saving a record with an insert, update, or upsert statement. Prior to this, the browser performs JavaScript validation for dependent picklist fields, restricting them to their available values. No other client-side validation takes place. Order of Execution To see the diagram of the order of execution, visit the Order of Execution Overview on the Salesforce Architects site. Please note that the diagram may differ from the information given here as it is specific to the indicated API version. The Apex Developer Guide page provides the latest information on the order of execution for this API version. Access different API versions through the version picker in the Apex Developer Guide.

"One Trigger Per Object" Pattern

The " One Trigger per Object " pattern is a best practice in Salesforce development that involves consolidating multiple trigger logic into a single, well-structured trigger handler class per object. This pattern helps to maintain clean and organized code, reduces the risk of trigger order issues, and facilitates better code reuse and maintainability. Trigger Handler Class public class AccountTriggerHandler {          public static void onBeforeInsert(List<Account> newList) {         // Your before insert logic here     }          public static void onBeforeUpdate(List<Account> newList, Map<Id, Account> oldMap) {         // Your before update logic here     }          public static void onBeforeDelete(List<Account> oldList) {         // Your before delete logic here     }        ...

Order of Execution in a Visualforce Page

In Visualforce, the order of execution refers to the sequence in which various components and actions are processed when a Visualforce page is loaded and rendered. Understanding this order is crucial for developers to control the behavior and appearance of their Visualforce pages effectively. Here's the typical order of execution: Component Initialization: First, any components defined in the Visualforce page are initialized. This includes standard components like <apex:page>, <apex:form>, and custom components. Controller Initialization: If the Visualforce page has a controller or controller extension associated with it, the constructor of the controller(s) is executed. This allows the controller to initialize any necessary data or perform any required setup operations. Getter Methods Execution: After the controller is initialized, getter methods defined in the controller are executed. Getter methods are responsible for providing data to the Visualforce page, typically...