span class="keyword">public</span> <span class="keyword">class</span> <span class="identifier">RequestMessageEvent_User_Authorize_Invoice</span> : <span class="identifier">RequestMessageEventBase</span>, 
	<span class="identifier">IRequestMessageEventBase</span>, <span class="identifier">IRequestMessageEvent</span>, <span class="identifier">IRequestMessageBase</span>, <span class="identifier">IMessageBase</span>, <span class="identifier">IEntityBase</span>, 
	<span class="identifier">IRequestMessageEventKey