MappedEntityToDataSource event

 [DataEventHandler(tableStr(MyTableEntity), DataEventType::MappedEntityToDataSource)]

public static void MyTableEntity_onMappedEntityToDataSource(Common _sender, DataEventArgs _eventArgs)
{
    DataEntityContextEventArgs eventArgs = _eventArgs;
    MyTableEntity entity = _sender;
    if (eventArgs.parmEntityDataSourceContext().name() == dataEntityDataSourceStr(MyTableEntity, MyTable))
    {
        MyTable myTable = eventArgs.parmEntityDataSourceContext().getBuffer();
        //LOgic
    }
}