> 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/menu-button-kalipso/general.md).

# General

Configure a button in MSS menu to execute something in Extension project. Must configure in the button a Function code which MSS will send to extension project.

Extension action set = EXT\_BTN\_KAL

*Input Parameters*

* inFunctionCode – Code configured in the button;
* inSelectedRoute – Code of the selected route;
* inSelectedSubRoute – Code of the selected sub route;
* inSelectedCustomer – Code of the selected customer;
* inSelectedDeliveryPlace – Code of the selected delivery location;