If you work with serialized items, QuoteMachine allows for serial number tracking not only on sales documents but also on all your inventory movements including purchase orders, vendor returns and stock adjustments.
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In order to be able to use the feature, you first need to have set up serial number tracking for your items. Check this article on how to do this.
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Once you've enabled serial number tracking and have entered the corresponding serial numbers in the system, you'll be able to use them in your inventory documents.
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Here's an example with a vendor return:
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When you add a serialized item to the document, a "serial numbers" field becomes available allowing to select the serial number(s) to assign to the document. As you, can see from the image, it is possible to assign several numbers depending on the quantity of the item.
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The assigned numbers will be visible from the back office and from the vendor facing document.
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(Back office)

(Vendor facing)

You'll be able to see the inventory document a serial number is assigned to from the "Serial numbers" tab on the item's record.
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The same way you can add serial numbers to purchase orders and stock adjustments.
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For more information on QuoteMachine's inventory features, check this article collection.
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