Crsource
From Market Ruler Help
crsource is the Query String variable configured by default to capture the inbound Source for an advertising campaign.
Common synonyms can be also used:
-
crsource -
cr1 -
source(Legacy) - Not recommended for use as used often for other purposes and creates conflicting data.
When it appears in a URL:
https://www.example.com?crsource=ConversionRuler