Cr0
From Market Ruler Help
cr0 is the Query String variable configured to capture the inbound Campaign for an advertising campaign.
cr0 is the indexed query strings and allows for up to 8 different landing dimensions to be recorded using query strings which are indexed from 0 to 7. The first element begins with zero and additional elements increment the final digit. Additional query strings in this group are cr1, cr2, cr3, cr4, cr5, cr6, and cr7.
Common synonyms can be also used:
-
crcategory -
crcat -
c1(Legacy)
When it appears in a URL:
https://www.example.com?cr0=PPC
When it appears in a URL:
https://www.example.com?cr0=no-sample