public function setMinimumPurchase(MoneyInterface $amount)
    {
        $this->minimumPurchaseAmount = $amount->getAmount();
        $this->minimumPurchaseCurrency = $amount->getCurrency();

        return $this;
    }
public function setMinimumPurchase(MoneyInterface $amount)
    {
        $this->minimumPurchaseAmount = $amount->getAmount();
        $this->minimumPurchaseCurrency = $amount->getCurrency();

        return $this;
    }
public function setMinimumPurchase ( MoneyInterface $ amount ) { $ this -> minimumPurchaseAmount = $ amount -> getAmount ( ) ; $ this -> minimumPurchaseCurrency = $ amount -> getCurrency ( ) ; return $ this ; }
Set minimum purchase.

@param MoneyInterface $amount Absolute Price

@return $this Self object
Set minimum purchase .