daw/inc/lib/call/Services/Twilio/Rest/Members.php

<?php

class Services_Twilio_Rest_Members
    extends Services_Twilio_ListResource
{
    /**
     * Return the member at the front of the queue. Note that any operations 
     * performed on the Member returned from this function will use the /Front 
     * Uri, not the Member's CallSid.
     *
     * @return Services_Twilio_Rest_Member The member at the front of the queue
     */
    public function front() {
        return new $this->instance_name($this->client, $this->uri . '/Front');
    }

    /* Participants are identified by CallSid, not like ME123 */
    public function getObjectFromJson($params, $idParam = 'sid') {
        return parent::getObjectFromJson($params, 'call_sid');
    }

    public function getResourceName($camelized = false)
    {
        // The JSON property name is atypical.
        return $camelized ? 'Members' : 'queue_members';
    }
}