Customization

Good morning. I would like to customize my traccar. I want to change information such as logo, favicom, browser name, among others. Where can I find this documentation?

https://www.traccar.org/branding-web/

I'm using traccar 6.6 and when I add an attribute, such as server name, the text field is not editable. What's missing in the configuration?

Screenshot?

You have to click the "add" button first.

Sorry for the silly question and thanks for the help.