How to use From Datasource Level Record Writing Event In D365 FO

 

Public class My_LedgerJourTransAssetFrm_EventHandler

{  

     /// <summary>

    ///

    /// </summary>

    /// <param name="sender"></param>

    /// <param name="e"></param>

    [FormDataSourceEventHandler(formDataSourceStr(LedgerJournalTransAsset, LedgerJournalTrans_Asset), FormDataSourceEventType::Writing)]

    public static void LedgerJournalTrans_Asset_OnWriting(FormDataSource sender, FormDataSourceEventArgs e)

    {

        LedgerJournalTrans_Asset       LedgerJourTransAssetTableLoc = sender.cursor();

        LedgerJourTransAssetTableLoc.AdditionalName = AssetTable::find(LedgerJourTransAssetTableLoc.Assetid).AdditionalName;

    }

}