app_install_android: whenever user installs the app on android device and open it for the first time

app_install_ios: whenever user installs the app on ios device and open it for the first time

login: we send this event when user logs in on the app

signup: we send this event when user signs up on the app

view_item: when user go to some product page, this event occurs with all the details about the product

search: when user searches for a product

add_to_cart: this event occurs when user adds a product to the cart

view_cart: when user goes to cart page, this event occurs with details about every item present in the cart

remove_from_cart: when user removes the item from the cart

purchase: when user successfully makes a purchase on the app