public function using($name)
    {
        if (isset($this->providers[$name])) {
            $this->provider = $this->providers[$name];
        }

        return $this;
    }
public function using($name)
    {
        if (isset($this->providers[$name])) {
            $this->provider = $this->providers[$name];
        }

        return $this;
    }
public function using ( $ name ) { if ( isset ( $ this -> providers [ $ name ] ) ) { $ this -> provider = $ this -> providers [ $ name ] ; } return $ this ; }
Sets the provider to use.

@param  string                        $name A provider's name
@return \SmsSender\SmsSenderInterface
Sets the provider to use .