Api\StructType\ApiShopper::setGender PHP Method

    public function setGender($gender = null)
    {
        // validation for constraint: enumeration
        if (!\Api\EnumType\ApiGender::valueIsValid($gender)) {
            throw new \InvalidArgumentException(sprintf('Value "%s" is invalid, please use one of: %s', $gender, implode(', ', \Api\EnumType\ApiGender::getValidValues())), __LINE__);
        }
        $this->gender = $gender;
        return $this;
    }