# Article

| Extension                                                                                                                                                                | Description                                                                              |
| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ---------------------------------------------------------------------------------------- |
| [EXT\_Article\_GetDefaultUnit](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-kalipso-to-mss/article/ext_article_getdefaultunit)                       | Function to get the default unit of an article.                                          |
| [EXT\_Article\_GetImage](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-kalipso-to-mss/article/ext_article_getimage)                                   | Function to get the full name of the main image of an article.                           |
| [EXT\_Article\_GetPrice](https://doc.sysdevmobile.com/mss-extensibility/mss-5.0/untitled-1/article/ext_article_getprice)                                                 | Function to ask MSS to get the Price and Discounts of an article.                        |
| [EXT\_Article\_GetTotals](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-kalipso-to-mss/article/ext_article_gettotals)                                 | Function to get the totals for an article given a certain quantity, price and discounts. |
| [EXT\_Article\_Record](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-kalipso-to-mss/article/ext_article_record)                                       | Function to ask MSS to open the article record screen.                                   |
| [EXT\_Article\_Select](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-kalipso-to-mss/article/ext_article_select)                                       | Function to ask MSS to open the article selection screen.                                |
| [EXT\_Article\_ValidatePriceAndDiscounts](https://doc.sysdevmobile.com/mss-extensibility/mss-5.1/functions-kalipso-to-mss/article/ext_article_validatepriceanddiscounts) | Function to validate if inputted price and discount are valid using MSS rules.           |