## Name Playground - GUI Markup Language (GML) editor ## Synopsis ```**sh $ Playground [file] ``` ## Arguments * `file`: Path of GML file to load ## Description Playground facilitates development of graphical user interfaces (GUI) for Serenity applications using GUI Markup Language (GML) to compose a layout for GUI widgets and set widget attributes. The specified widgets are automatically rendered in a live preview window, allowing rapid prototyping and development of application GUIs. ## Examples ```sh $ Playground /home/anon/example.gml ``` ## See also * [`gml-format`(1)](../man1/gml-format.md) For automated GML formatting