function readOnly(count){ }
Starting November 20, the site will be set to read-only. On December 4, 2023,
forum discussions will move to the Trailblazer Community.
+ Start a Discussion
KruviKruvi 

Preventing duplicates

Hi

 

I have a question about triggers.

 

Is there a way to prevent a record from being inserted by checking the record on a before insert trigger?

 

Thanks a lot

 

 

Best Answer chosen by Admin (Salesforce Developers) 
WizradWizrad

Mark a field as a unique external id.