$token = 'YOUR LINE NOTIFY TOKEN';
$ln = new KS\Line\LineNotify($token);

$text = 'Hello Line Notify';
$ln->send($text);

$text = 'Hello Line Notify';
$image_path = '/YOUR/IMAGE/PATH'; //Line notify allow only jpeg and png file
$ln->send($text, $image_path);

//HTTP or HTTPS image path
$image_path = 'https://lorempixel.com/800/600/'; //Line notify allow only jpeg and png file
$ln->send($text, $image_path);

$text = 'Hello Sticker';
$sticker = ['stickerPackageId' => '1', 'stickerId' => '401'];
$ln->send($text, null, $sticker);