1061 Call to a possibly undefined method addEventListener through a reference with static type Class

import flash.events.MouseEvent;

import flash.net.URLRequest;

import flash.net.navigateToURL;

var getContactPage:URLRequest = new URLRequest ("http://www.mycontacturl.html")

Contact.addEventListener(MouseEvent.CLICK,ContactClick);

function ContactClick(event:MouseEvent): void {

    navigateToURL (getContactPage);

}

Any help would be appreciated

Thank you