Multi-channel sequences – SEO WIKI
Multi-channel sequences are all traffic sources that a user visited before performing a targeted action. In fact, this is the conversion history, that is, an archive of user interactions that led to the transaction.
The Multi-Channel Funnels report can be viewed in the Conversions section of Google Analytics:
The report is only available to webmasters who set up goals or e-commerce.
Analysis of multi-channel sequences in Google Analytics helps the advertiser understand how different sources contribute to the conversion, how effective they are as additional channels.
There are no multi-channel sequences in Yandex.Metrica. To get similar data, you need to configure attribution in the Sources, Summary report.