# Overview

## Using Atollon to bill/invoice eShop purchases

How to use Atollon to quickly send invoices to eShop clients? See the illustration below describing the scheme necessary to adopt when billing from Atollon.

[![eShopIntegration.png](https://help.atollon.com/uploads/images/gallery/2020-05/scaled-1680-/eShopIntegration.png)](https://help.atollon.com/uploads/images/gallery/2020-05/eShopIntegration.png)

### Used Functions

Functions to create objects:  
(there may be some other functions necessary, if listing is required)

- CreateContact (main.wsdl) 
    - Use for both company &amp; person

- CreateSimpleFolder (project.wsdl) 
    - For both company &amp; person clients

- CreateProject (project.wsdl)
- CreateProjectItem (item.wsdl)