...
（7）You can also set Advanced options.
...
Display chat button on specified domains/URLs only：Webpages that follow the same domain path will also be included. For example, if you list the URL “http://www.adomain.com/example” here, all web pages whose URLs start with this domain will be included. The option only works for the websites and pages that already have websites and pages that already have Cloudfon CX Live Chat code implemented on them.
...