code: func NewItem(iD string, name string) *Item {
  	h := &Item{
  		iD:   iD,
  		name: name,
  	}
  	return h
  }
docs: // NewItem creates a new Item Hit Type.
  // A unique identifier for the transaction. This value should
  // be the same for both the Transaction hit and Items hits
  // associated to the particular transaction.
  // Specifies the item name.