Follow along this video tutorial or read below for instructions.
Go to Facebook > Integrate Facebook > Connect. You will be required to log in to Facebook. After that you'll be redirected to TrueProfit dashboard. You can then choose the ad account(s) relating to your store.
It can take a while to pull in all the data from Facebook.
Integration Exchange Rate
If your Shopify store and Facebook ad account(s) use different currency, you can handle by setting an exchange rate.
Eg. If USD is your store's currency and EUR is your Facebook ad account's currency, then US$1 is equivalent to 0.9 Facebook currency units.
If you use the same currency across all platforms, leave the rate at 1.