# Soap Header Exception while adding new function

**URL:** https://community.xibo.org.uk/t/soap-header-exception-while-adding-new-function/147
**Category:** Help Topics
**Created:** [March 17, 2015, 9:40am UTC](https://community.xibo.org.uk/t/soap-header-exception-while-adding-new-function/147 "2015-03-17T09:40:43Z")
**Posts on this page:** 1
**Showing post:** 2

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### Author: ![alex](https://community.xibo.org.uk/user_avatar/community.xibo.org.uk/alex/32/5782_2.png) [@alex](https://community.xibo.org.uk/u/alex)
#### Post date: [March 17, 2015, 9:57am UTC](https://community.xibo.org.uk/t/soap-header-exception-while-adding-new-function/147/2 "2015-03-17T09:57:04Z")

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Check your web server’s temporary file location. It generates a cache for the webservice which you may need to delete to get your new functionality working.

With regard to getting that code included in to the main Xibo codebase (which is something we’d really like to do), we’d need you to complete a specification etc for this before making changes so we can discuss with you the best way to implement it (perhaps without needing to add webservice calls). Dan gave you the information you need to do that over on your other thread:

> [@Adding volume control for the displays](https://community.xibo.org.uk/t/adding-volume-control-for-the-displays/91/6):
>
> Will you be sharing the modifications with the community? It would be nice to have them as a Fork/Pull request in GitHub. Regarding the settings - you’d need to add them to the SOAP service (lib/services/xmdssoap4.class.php) in the same IF conditional on Line 158.

Best wishes

Alex

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