# Badge login issue when it contain letters

**URL:** <https://forum.inductiveautomation.com/t/badge-login-issue-when-it-contain-letters/99106>\
**Category:** Ignition\
**Tags:** ignition81, perspective\
**Created:** [November 26, 2024, 2:15am UTC](https://forum.inductiveautomation.com/t/badge-login-issue-when-it-contain-letters/99106 "2024-11-26T02:15:37Z")\
**Posts on this page:** 1\
**Showing post:** 5

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**Author:** ![dkhayes117](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/dkhayes117/32/68344_2.png) [@dkhayes117](https://forum.inductiveautomation.com/u/dkhayes117)\
**Post date:** [November 26, 2024, 6:09pm UTC](https://forum.inductiveautomation.com/t/badge-login-issue-when-it-contain-letters/99106/5 "2024-11-26T18:09:38Z")

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I've used the badge authentication with letters without issue. Make sure you aren't using a newline character in your string. The newline char is the delimiter used to signal input end.

[Badge-based Authentication Support - Ignition Early Access - Inductive Automation Forum](https://forum.inductiveautomation.com/t/badge-based-authentication-support/28144)

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