> 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/services/2404-user-fields.md).

# 2404 - User fields

2404 - User fields

<table data-header-hidden><thead><tr><th width="178.7257977285019">Event</th><th width="216.33333333333331">Extension action set</th><th>Description</th></tr></thead><tbody><tr><td>Event</td><td>Extension action set</td><td>Description</td></tr><tr><td><a href="#before">Before </a></td><td>EXT_2404_1_Before</td><td>Will be executed before showing the service user fields screen;</td></tr><tr><td><a href="#replace">Replace</a></td><td>EXT_2404_2_Replace</td><td>Will replace MSS user fields screen;</td></tr><tr><td><a href="#after">After</a></td><td>EXT_2404_3_After</td><td>Will be executed after showing the service user field screen;</td></tr></tbody></table>

### Before

*Input Parameters*

* inServiceExercise – Exercise of the service (SRVEXR);&#x20;
* inServiceSeries – Serie of the service (SRVSER);&#x20;
* inServiceNumber – Number of the service (SRVNDC);

### Replace

*Input Parameters*

* inServiceExercise – Exercise of the service (SRVEXR);&#x20;
* inServiceSeries – Serie of the service (SRVSER);&#x20;
* inServiceNumber – Number of the service (SRVNDC);

### After

*Input Parameters*

* inServiceExercise – Exercise of the service (SRVEXR);&#x20;
* inServiceSeries – Serie of the service (SRVSER);&#x20;
* inServiceNumber – Number of the service (SRVNDC);