[skuull]

Теперь и на табличке можно https://docs.microsoft.com/en-us/dyn...form-update-11

[ExtensionOf(tableStr(LedgerJournalTransAccrual))]  
final class MyLedgerJournalTransAccrual_Extension  
{  
    [SysClientCacheDataMethodAttribute(true)]  
    public static display LedgerJournalAccountName
MyLedgerAccountName(LedgerJournalTransAccrual \_ledgerJournalTransAccrual)  
    {  
        return \_ledgerJournalTransAccrual.MyStringField1 + "Hello";  
    }

}