Triggers Apex Code that can be invoked based on a DML event. DML Events Insert Update Delete Upsert Trigger Types Triggers are categorized as two types 1. Before 2. After Hence the triggers would be invoked based on DML events as below, Before / After Insert Before / After Update Before / After Delete After Undelete Trigger Syntax: trigger triggerName on ObjectName (DML_Events){ //code_block } trigger is a key word. DML_Events as specified above (one event or more than one). Example scenarios when we can use triggers. 1. Block users…
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