The data you collect on your point-of-sale system could complement data that your website and app sends to Google Analytics. Which feature allows for the collection and sending of events directly to Google Analytics servers?
Explanation:
If you have been collecting data on your point-of-sale system and you send that data to Google Analytics from your website and app. Measurement Protocol allows you to collect and send events directly to Google Analytics servers.
Measurement protocol is a standard set of rules for collecting and sending events directly to Google Analytics servers. Measurement Protocol lets you send data to Analytics from internet-connected devices like a kiosk or point-of-sale system that complement your website or app.
Read more here: https://support.google.com/analytics/answer/9900444