getModifierType() public method

public getModifierType ( ) : string
return string
 /**
  * Calculates new amount for attribute
  *
  * @param VariantInterface $variant
  * @param                           $amount
  *
  * @return float
  */
 protected function calculateAttributePrice(VariantInterface $variant, $amount)
 {
     $modifierType = $variant->getModifierType();
     $modifierValue = $variant->getModifierValue();
     switch ($modifierType) {
         case '+':
             $amount = $amount + $modifierValue;
             break;
         case '-':
             $amount = $amount - $modifierValue;
             break;
         case '%':
             $amount = $amount * ($modifierValue / 100);
             break;
     }
     return round($amount, 2);
 }