How to add attribute of item to manage their stock ?
If you want to add an attribute at a time of item creation then ,
1.goto Master > Item > click on New button, and fill the item details in which you can see two fields related to attribute
a.Stock Attribute group: to maintain stock you can use Stock attribute Group
b.Item attribute Group
2.Their are some predefined attributes you can select any of them or you can create new attribute for that type new and then select
'New Attribute group' and fill the details of attribute press on ok.
3.Press on OK button of Item Frame.