There could be a requirement where you need to pass additional data to Google Analytics for Reporting and Analysis.
Additional data, for example, metrics like
- Calculated profit value per sale
- Calculated profit value per product
- Actual product price
- Seller commission / affiliate commission per sale or order
- Etc…
Dimension examples,
- Customer ID
- Customer Language
- Payment Method
- Shipping Method
- Etc…
You can contact opencart@huntbee.com for your customized integration.