How do I make sale transaction with attributes?

1.To make sale transaction with attribute first you need to create item with attribute Click here to create item with Attribute.
2.Goto Transaction > Sale now sale frame is open.
3.You need to select item (which is having attribute) in sale then you can see the Attribute button.
4.To add attribute click on Attribute Button.
6.if while purchasing you create attribute then you can see the attribute ,otherwise you can manually add attribute in that frame .
7.Click on OK/Apply button.