> For the complete documentation index, see [llms.txt](https://learn.erpag.com/project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.erpag.com/project/create-new-product-1/untitled-4/types/create-bom.md).

# BOM

To create a Bill of materials you need to create a new product

### Standard fields

Fill the standard product fields. (like in a simple product) 

Go to products and services and create a new product.

### BOM definition

From the Fullfilment list select the bom as back order

![](/files/-LK7P7xhNskXydYGkdhY)

In the general fulfillment section you have next fields:

* base qty-initial production quantity
* estimated cost-derived from the sum of costing of each component
* minimum stock qty
* and estimated time

In bill of materials section you need to build up your componentes and sub components

![](/files/-LK7PnRPvd26P7KzpUfv)

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You can create different types of BOM:

* single level
* without final product
* services only
* and multi-level or complex BOM

### Other settings

as you define all components you can continue with product definition in other sections:

* define images
* barcodes and serials
* additional info

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