modified method example

public void modified()
{
    Super();
    select prodBom where prodBom.ProdId == rejectionLine.ProdId;
    if(rejectionLine.ReceivedQuantity <= prodBom.BOMQty)
    {
      RejectionLine.x_ForwardQuantity = RejectionLine.ReceivedQuantity - RejectionLine.Error_Qty;
    }
    else
    {
      RejectionLine.ReceivedQuantity = 0;
      error(strfmt("Received quantity should be less than  BOM quantity - %1 " ,prodBom.BOMQty));
       error(strfmt(" BOM quantity is - %1 ",prodBom.BOMQty));

    }

}