contacts_updated.cfc

 <cffunction name="update"> 
    <cfloop from=1 to="#arraylen(contact.emailaddresses)#" index="i">
    	<cfset contact.emailaddresses[i].delete()>
    </cfloop>
        <cfset contact.update(params.contact)>
        <cfif contact.hasErrors()>
        	<cfset renderPage(action="edit")>
        <cfelse>        	
			<cfset flashInsert(success="The contact was updated successfully.")>
			<cfset redirectTo(action="view", key=contact.id)>		
        </cfif>
    </cffunction>