{ "widgettype":"VBox", "options":{ "size_hint":[0.5, None], "height":300 }, "subwidgets":[ { "widgettype":"Text", "options":{ "size_hint":[1,1], "text":"{{params_kw['tv_name']}}", "wrap":true } }, { "widgettype":"Text", "options":{ "size_hint":[1,1], "text":"{{params_kw['channel_delay']}}", "wrap":true } } ] }