Marketing Channel processing rules determine if a visitor hit
meets the criteria assigned to a channel. The rules process every hit a visitor
makes on your site. When a rule does not meet the criteria for a channel, or if
rules are not configured correctly, the system assigns the hit to
No Channel Identified.
Here are important guidelines for creating rules:
Note: Although these rules do not affect reporting outside of marketing
channels, they affect marketing channel data collection. Data collected with
these rules are 100% permanent, and rules altered after data is collected is
not retroactive. It is strongly recommended to review and consider all
circumstances before saving
Marketing Channel Processing Rules to mitigate data
being collected in incorrect channels.