Hello everyone today we are going to discuss here how to Count Number of contacts on account in salesforce using Trigger. Salesforce Apex Trigger Code Best Practices: Create only one trigger per sObjectType. This makes it easier to maintain your code.Use logic-less triggers. Instead of writing all your logic in the trigger, delegate the logic to a handler class.Use context-specific handler methods. This makes it easier to understand what your code is doing.Avoid SOQL queries inside for loops. This can cause performance issues.Avoid hardcoding IDs. Instead, use custom settings or…
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