How to set up a survey to track which external link is selected among multiple links

I have big trouble with setting up a survey.
In my survey, I would like to let respondents share the survey link through their social media platforms (Facebook, Twitter, LinkedIn, and email) and track which social media is selected. Already I tried to follow the instruction by previous answer Track whether a link is clicked in qualtrics even a respondent leaves for the opened new page — Qualtrics Community But, this was not about multiple links. Is there a way to cope with this? I really appreciate any help you can provide.