The data points:
Routing 1/3
resp ID
product purchased in QSP1
product purchased in QSP2 as substitution to the one purchased in QSP1
Routing 2/4
resp ID
first product purchased in QSP1
second product purchased in QSP1
product purchased in QSP3 as substitution to the first purchased in QSP1
product purchased in QSP4 as substitution to the second purchased in QSP1
Findability module (for any routing):
I need information what SKU was included in the module:
...