1. Open the HTML pages.
2. Replace "pageTopic" with "topic".
3. In the chat pages, rename the "Subject" label to "Topic".
4. Copy the pattern attribute (pattern="([a-zA-Z0-9])+([_~\-.][a-zA-Z0-9]+)*") on the topic fields in the sample pages into your own inputs.
5. In the webChat.js file, edit the chatLogin function to retrieve the value of "topic" instead of "pageTopic".
6. In the customerJourneyCommon.js file, replace the "getPageTopic" method with that from the SDK.
7. Remove the default value from all topic inputs, replacing them with a placeholder attribute.
