> 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/4300-mainmenu.md).

# 4300 - Main Menu

4300 - Main Menu

| Event   | Extension action set  | Description                                                            |
| ------- | --------------------- | ---------------------------------------------------------------------- |
| Before  | EXT\_4300\_1\_Before  | Not available                                                          |
| Replace | EXT\_4300\_2\_Replace | Not available                                                          |
| After   | EXT\_4300\_3\_After   | Will be executed after MSS opens the Main Menu (Tablet or Smartphone); |