e__response_type">string</span>
            &mdash;
        
    
</article>
                    <article
        class="phpdocumentor-element
            -method
            -public
                                    -static                    "
>
    <h4 class="phpdocumentor-element__name" id="method_isNullable">
        isNullable()
        <a href="classes/LINE-Clients-MessagingApi-Model-DiscountFixedPriceInfoRequest.html#method_isNullable" class="headerlink"><i class="fas fa-link"></i></a>
    </h4>
 