> For the complete documentation index, see [llms.txt](https://developer.perculus.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.perculus.com/v2-en/services/attendee-management/creating-and-updating-attendees/update-by-attendance-code.md).

# Update By Attendance Code

| Parameters       | Type   | Description                                                                   |
| ---------------- | ------ | ----------------------------------------------------------------------------- |
| attendance\_code | string | Attendance code of the attendee                                               |
| name             | string | Name of the attendee                                                          |
| surname          | string | Surname of the attendee                                                       |
| email            | string | Email of the attendee                                                         |
| role             | string | Role of the user([see](/v2-en/accepted-formats/roles.md) for possible values) |
| mobile           | string | Mobile of the attendee                                                        |
