avoid creation of contact if the contact with same phone exists in the system

Hey guys, today in this post we are going to learn about how to prevent the user to create duplicate Contact based on Phone if Phone number is already exist on related account in Salesforce Apex Trigger. Apex can be invoked by using triggers. Apex triggers enable you to perform custom actions before or after … Read more Write a trigger on Contact to Prevent the user to create duplicate Contact based on Phone if Phone number is already exist on related account in Salesforce | Apex trigger on Contact do not allow to create duplicate contact based Phone number if the contact with same phone exists in related account in Salesforce