This essential. For example I want to know: - did someone search for a
product,- find out it was 'out of stock',- then get an email saying
'it's back in stock',- and then bought the product. Ie, I need to be
able to segment based on what happened 1st, 2nd, in a particular
sequence etc. This needs to be available in Discover and for Event,
Visit or Visitor containers.