> 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/clients/157-clients-contacts-list.md).

# 157 - Contacts List

157 - Contacts List

| Event   | Extension action set  | Description                                                                      |
| ------- | --------------------- | -------------------------------------------------------------------------------- |
| Before  | EXT\_0157\_1\_Before  | Will be executed before showing MSS screen with the contacts list from customer; |
| Replace | EXT\_0157\_2\_Replace | Will replace MSS screen with the contacts list from customer;                    |
| After   | EXT\_0157\_3\_After   | Will be executed after showing the contacts list screen;                         |

*Input Parameters:*

* inCustomerCode – Code of the selected customer; (*event before*)
* inCustomerCode – Code of the selected customer; (*event replace*)
* inCustomerCode – Code of the selected customer; (*event after*)