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Beginner_sforceBeginner_sforce 

Prevent deletion on custom object , using trigger

Hi, I have this really simple code to prevent deletion, but somehow it doesn't work, can someone help me?thx
 
Code:
trigger subBrandDelete on Sub_Brand__c (before delete) 
{
 if (Trigger.isDelete) 
 {
  for (Sub_Brand__c sb : Trigger.old)
  {
         sb.addError('Cannot delete a Sub-Brand with Walls');
  }
 }
   
}

 
mikefmikef
Hi:

I took out the if statement and it worked in my DE org.