how to capture candidate source for different internal career site

Summary:

we have 2 differrent internal career site ( not deployed on oracle) we would like to capture the candidate source for internal career site 1 and internal career site 2

Content (required):

for example we have 2 internal career site :

1) www.internal1.com

2) www.internal2.com

How can we capture the candidate source for this 2 internal career site and make a difference between them ?

what's the URL with UTM parameter?

thank you for your help

Version (include the version you are using, if applicable):

21C

Code Snippet (add any code snippets that support your topic, if applicable):