> 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-5.0/mss-extension-functions-mss-kalipso/start-of-day/1300-start-of-day-start-of-day-module.md).

# 1300 - (Start of Day) Start of Day Module

1300 - (Start of Day) Start of Day Module

| Event   | Extension action set  | Description                                                |
| ------- | --------------------- | ---------------------------------------------------------- |
| Before  | EXT\_1300\_1\_Before  | Will be executed before MSS opens the Start of Day module; |
| Replace | EXT\_1300\_2\_Replace | Will replace MSS Start of Day module;                      |
| After   | EXT\_1300\_3\_After   | Will be executed after closing the Start of Day module;    |

*Input Parameters (event before):*

* inRouteCode – Active route code;
* inSubRouteCode – Active sub-route code;

*Input Parameters* *(event replace):*

* inRouteCode – Active route code;
* inSubRouteCode – Active sub-route code;

*Output Parameters (event replace):*

* outOpenMSSModule – Return code: 1 – Open MSS module / 0 – Don’t open MSS module;

*Input Parameters (event after):*

* inRouteCode – Active route code;
* inSubRouteCode – Active sub-route code;