package params import ( "github.com/foomo/gostandards/iso4217" ) // Purchase https://developers.google.com/analytics/devguides/collection/protocol/ga4/reference/events#purchase type Purchase[Item any] struct { Currency iso4217.Currency `json:"currency,omitempty"` Value float64 `json:"value,omitempty"` TransactionID string `json:"transaction_id,omitempty"` Coupon string `json:"coupon,omitempty"` Shipping float64 `json:"shipping,omitempty"` Tax float64 `json:"tax,omitempty"` Items []Item `json:"items,omitempty"` }