> 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/surveys/3600-surveys-surveys-module.md).

# 3600 - Surveys Module

3600 - Surveys Module

| Event               | Extension action set  | Description                                          |
| ------------------- | --------------------- | ---------------------------------------------------- |
| Before              | EXT\_3600\_1\_Before  | Will be executed before MSS open the Surveys module; |
| [Replace](#replace) | EXT\_3600\_2\_Replace | Will replace MSS Surveys module;                     |
| After               | EXT\_3600\_3\_After   | Will be executed after closing the Surveys module;   |

### Replace

*Output Parameters*

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