TeamSpeak3/Node/Server.php
public function channelGroupClientList($cgid = null, $cid = null, $cldbid = null)
    {
        if ($this["virtualserver_default_channel_group"] == $cgid) {
            return array();
        }

        return $this->execute(
            "channelgroupclientlist",
            array("cgid" => $cgid, "cid" => $cid, "cldbid" => $cldbid)
        )->toArray();
    }
public function channelGroupClientList($cgid = null, $cid = null, $cldbid = null)
    {
        if ($this["virtualserver_default_channel_group"] == $cgid) {
            return array();
        }

        return $this->execute(
            "channelgroupclientlist",
            array("cgid" => $cgid, "cid" => $cid, "cldbid" => $cldbid)
        )->toArray();
    }
Returns all the client and/or channel IDs currently assigned to channel groups. All three
parameters are optional so you're free to choose the most suitable combination for your
requirements.

@param  integer $cgid
@param  integer $cid
@param  integer $cldbid
@return array