Dynamics 365 for Finance and Operations Development Cookbook - Fourth Edition

How to do it...

1. Go to the LedgerJournalTrans table and open it in designer.
2. Right-click on the insert method and select Copy event handler method | Pre-event handler:

3. Create a new class in your project, give it the name pktLedgerJournalTransEventHandler, and paste event handler code here.
4. Now get the table buffer and write your logic as follows:

    class PktLedgerJOurnalTransEventHandler 
    { 
      /// <summary> 
      /// Pre event handler method on Insert method to put            validations 
      /// </summary> 
      /// <param name="args"></param> 
      [PreHandlerFor(tableStr(LedgerJournalTrans),          tableMethodStr(LedgerJournalTrans, insert))] 
      public static void   LedgerJournalTrans_Pre_insert(XppPrePostArgs ...