> 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/suppliers/3300-suppliers-suppliers-module.md).

# 3300 - (Suppliers) Suppliers Module

3300 - (Suppliers) Suppliers Module

| Event   | Extension action set  | Description                                            |
| ------- | --------------------- | ------------------------------------------------------ |
| Before  | EXT\_3300\_1\_Before  | Will be executed before MSS open the Suppliers module; |
| Replace | EXT\_3300\_2\_Replace | Will replace MSS Suppliers module;                     |
| After   | EXT\_3300\_3\_After   | Will be executed after closing the Suppliers module;   |

*Output Parameters (event replace):*

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