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Navigate to the extension page for the Add custom JS and click the Download button.
Uncompress the zip file.
Log in to your Joomla admin site.
Navigate to Extensions > Manage.
Upload the zip file you downloaded previously.
Click the Install button.
Go to Extensions > Plugins.
Search for System - Add Custom Javascript.
Open the plugin for editing.
In the Custom Javascript File Path option, enter the relative path to your javascript file, for example,
For Proactive Chat V1.0:
https://pop0-apps.mycontactcenter.net/webchatscripts/telaxdemo10/icr/0e8af7f4-82dc-44d5-a557-b49ae49a49da/icr.jsFor Proactive Chat V2.0, copy the Proactive URL as shown in Proactive Chat v2.0
Enable the plugin.
From the Ordering parameter, choose Order last.
Click the Save & Close button.
Refresh the site and verify that the chat works.