Adding a parameter to a Split URL variation while transferring the query parameters.
Learn how to append parameters to Split URL variations while preserving original query parameters in Convert Experiences
To add a parameter to a Split URL variation you should configure the Split URL parameters in the following way:
🌐 Original URL
http://www.domain.com/([^\?]+)?\?{0,1}(.*)$
🌟 Variation 1 URL
http://www.domain.com/$1?name=value&$2
Make sure you exclude URLs in the Site Area with name=value parameter.