> 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/154-clients-user-fields.md).

# 154 - User Fields

154 - User Fields

| Event   | Extension action set  | Description                                                                |
| ------- | --------------------- | -------------------------------------------------------------------------- |
| Before  | EXT\_0154\_1\_Before  | Will be executed before showing MSS screen with user fields from customer; |
| Replace | EXT\_0154\_2\_Replace | Will replace MSS screen with user fields from customer;                    |
| After   | EXT\_0154\_3\_After   | Will be executed after showing user fields 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*)