What feature must be enabled to use Multi-Channel Funnels?

The Multi-Channel Funnels reports are generated from conversion paths, the sequences of interactions (i.e., clicks/referrals from channels) that led up to each conversion and transaction. Conversion path data include interactions with virtually all digital channels. These channels include, but are not limited to: paid and organic search (on all search engines along with the specific keywords searched); referral sites; affiliates; social networks; email newsletters; custom campaigns that you've created, including offline campaigns that send traffic to vanity URLs. To use multi-channel reports you should have Goals or ecommerce enabled. Copyri