# Event types

Trace - data describing customer interaction on the e-commerce site. We trace the following types of interactions:

PRODUCT_VIEW - customer viewed a product
ADD_TO_CART - customer added a product to the cart
ORDER - customer made an order
OTHER - other interaction (Automatically initialized when edrone_2_0.js is inserted in the <head> part of page.)
SUBSCRIBE - customer subscribe to newsletter form
ORDER_CANCEL - for instance, order was unpaid