s="phpdocumentor-signature__name">$date</span>
     = <span class="phpdocumentor-signature__default-value">NULL</span></code>

    
    

</article>
                    <article
        class="
            phpdocumentor-element
            -property
            -private
                                                        "
>
    <h4 class="phpdocumentor-element__name" id="property_timestamp">
        $timestamp
        <a href="classes/ActionScheduler-SimpleSchedule.html#property_timestamp" class="heade