> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/mss-extensibility/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales.md).

# Sales

* [500 - Sales Module](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/500-sales-sales-module.md)
* [502 - Save Document](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/502-sales-save-document.md)
* [503 - Cancel Document](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/503-cancel-document.md)
* [506 - Read Barcode](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/506-sales-read-barcode.md)
* [510 - Quantity screen](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/510-sales-quantity-screen.md)
* [511 - Add Article](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/511-sales-add-article.md)
* [512 - Select Article Price](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/512-sales-select-article-price.md)
* [513 - Document validations](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/513-sales-document-validations.md)
* [514 - Edit Article Line](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/514-sales-edit-article-line.md)
* [515 - Origin Document Screen](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/515-sales-origin-document-screen.md)
* [516 - Delete line](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/516-sales-delete-line.md)
* [518 - Quantity Screen Confirmation](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/416-orders-delete-line.md)
* [519 - Payments Screen](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/sales/416-orders-delete-line-1.md)

{% hint style="info" %}
For sales it's also possible to use functions related to user fields. See more [here](/mss-extensibility/mss-5.1/functions-mss-to-kalipso/clients/154-clients-user-fields.md). 
{% endhint %}