composer require dmouse/google-bot 

<?php use Dmouse\GoogleBot\Message; use Dmouse\GoogleBot\Card; use Dmouse\GoogleBot\Header; use Dmouse\GoogleBot\Section; use Dmouse\GoogleBot\Widget; use Dmouse\GoogleBot\Markup\Image; use Dmouse\GoogleBot\Markup\OnClick; use Dmouse\GoogleBot\Markup\FormAction; use Dmouse\GoogleBot\Markup\ActionParameter; use Dmouse\GoogleBot\Markup\Button; use Dmouse\GoogleBot\Markup\Icon; use Dmouse\GoogleBot\Markup\KeyValue; require __DIR__ . '/vendor/autoload.php'; $payload = new Message(); $param = ActionParameter::create() ->key('key') ->value('val val') ; $form = FormAction::create() ->actionMethodName('form name') ->addParameter($param) ; $onClick = OnClick::create() ->openLink('http://go.com') ->action($form) ; $i = Image::create() ->imageUrl('http://image.com') ->aspectRatio(100) ->onClick($onClick) ; $button = Button::create() ->textButton('text button', $onClick) ->imageButton($onClick, 'name image button', Icon::BOOKMARK) ; $widget_a = Widget::create() ->textParagraph('text widget') ->image($i) ->addButton($button) ->keyValue(KeyValue::create()->topLabel("top label")) ; $s = Section::create() ->header('yay up1') ->addWidget($widget_a) ; $payload->text("sample text") ->name("My Name") ->createTime(time()) ->previewText("preview text") ->fallbackText("fallback text") ->argumentText("argument text") ->thread("spaces/ABBAob4-eD8/threads/F3ZjK-OTJ3") ->addCard( Card::create() ->name("yay") ->header( Header::create() ->title("yay") ->subtitle("Subtitle") ->imageUrl("http://example.com/...") ->imageStyle(Header::IMAGE_STYLE_AVATAR) ) ->addSection($s) ) ; print_r("" . $payload);