We added these settings in WHMCS 8.1.
Enter your account username, ID, URL, or other identifying information in the text boxes for each social media account that you want to use. In the Twenty-One system theme and any custom or third-party themes that integrate with it, icons linking to these accounts will display in the bottom bar of the Client Area.
Currently, supported social media includes BitBucket, Discord, Facebook, Flickr, GitHub, Gitter, Instagram, LinkedIn, Reddit, Skype, Slack, Twitter, Viber, Vimeo, WhatsApp, and YouTube.
WHMCS 8.0 and earlier
In WHMCS 8.1, we replaced this setting with the Social Accounts settings above.
Enter your Twitter username here and the two most recent tweets will appear at the bottom of the portal homepage in place of the "Latest Announcements" section. A "Follow us on Twitter" button will also appear, linking clients directly to your Twitter page. In addition to this your latest tweets will also show on your announcements page.
To use this option, your Twitter account must not be protected.
When you check this, your clients will see a Tweet box that allows them to share your announcement on directly on Twitter. This will also show a count of the number of Twitter shares this announcement has.
Check this to show a Recommend and Send button on your announcements to allow your clients to share them to Facebook.
Check this to allow clients and visitors to comment on your announcements, this will also give an option post to Facebook as part of their comment which will share the announcement.
WHMCS 7.7 and earlier
We removed this setting in WHMCS 7.8.
Have your clients recommend your announcements on Google using their Google account. These recommendation counts will show on any Google search results for your site.