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
Parth SrivastavaParth Srivastava 

Help in writing the trigger for this case

When a Transaction (Custom object) record is created, look to the Product object for that Product (Product Code maps to Item Number) and pull back the Product “Transaction_Count__c”  field and put it in the Transaction “Transaction_Item_Count__c” field.