toJson method
Converts the PersistentShoppingCartItem instance to a Map.
This method is used for serialization.
Implementation
Map<String, dynamic> toJson() {
return {
'productId': productId,
'productName': productName,
'productDescription': productDescription,
'productThumbnail': productThumbnail,
'productImages': productImages,
'unitPrice': unitPrice,
'quantity': quantity,
'productDetails': productDetails,
};
}