structfield">type</code></span></dt><dd><p>
        Always <code class="literal">T_EventTriggerData</code>.
       </p></dd><dt><span class="term"><code class="structfield">event</code></span></dt><dd><p>
        Describes the event for which the function is called, one of
        <code class="literal">"ddl_command_start"</code>, <code class="literal">"ddl_command_end"</code>,
        <code class="literal">"sql_drop"</code>, <code class="literal">"table_rewrite"</code>.
        See <a class="xref" href="eve