Tracking URL additional parameters based on source URL

Hi

We have a requirement to check the content of the source URL before adding the additional tracking url parameters in the email delivery. 

For example, if we add the source url in the email delivery as:
https://www.sampleurl.com/?cmpid=samplecmpid

Can we use a condition in ACS tracking url additional parameter configuration to check the value of source url above and do not add any parameter if there's already a parameter for ex. cmpid?

I am not able to find the value of source URL in the applicability condition below:

Thanks in Advance!