Item proposal is the functionality in SAP which gives an options at order entry to pull out all the required items/ product range to sale order with a single entry .
it also have facility to copy with quantity and without quantity options also.
The benefit from this functionality is to reduce time, ease of missing items in case of large number of items etc.
Here are the steps for customization for item proposal functionality.
1:- In standard SAP have the document type “MS” i.e Product proposal with SD document category ‘D’ Item proposal.
2:- We need to maintain the document type Product proposal to your sales area.
3:- Create item proposal with tcode VA51:- with the sales area and item proposal type MS . validity period , and put the item with qty .
After saving product proposal number will generate.
5:- Now create the sales order
Here you can change the item proposal number if you want to add any other item proposal number, this is proposed from customer master. And in below you can find options to copy without qty or with quantity also facility to selection list.
Hope it will help you to understand the Item proposal functionality in SAP Sales order.