Apex Trigger Design Patterns Best practice to have all your trigger logic inside one handler class and only have one trigger on each object. Below is code for one trigger of each object. trigger MyCustomObjectTrigger on MyCustomObject__c (after delete, after insert, after undelete, after update, before delete, before insert, before update) { MyCustomObjectTriggerHandler handler = new MyCustomObjectTriggerHandler(); /* Before Insert */ if(Trigger.isInsert && Trigger.isBefore){ handler.OnBeforeInsert(Trigger.new); } /* After Insert */ else if(Trigger.isInsert && Trigger.isAfter){ handler.OnAfterInsert(Trigger.new); } /* Before Update */ else if(Trigger.isUpdate && Trigger.isBefore){ handler.OnBeforeUpdate(Trigger.old, Trigger.new, Trigger.newMap); } /* After Update */ else if(Trigger.isUpdate && Trigger.isAfter){ handler.OnAfterUpdate(Trigger.old, Trigger.ne...