blueprint-compiler/tests/samples/menu_dec.blp

using Gtk 4.0;

menu my-menu {
  submenu {
    section {
      label: "test section";
    }

    item {
      label: "test item";
    }

    item {
      label: "test item shorthand 1";
    }

    item {
      label: "test item shorthand 2";
      action: "app.test-action";
    }

    item {
      label: "test item shorthand 3";
      action: "app.test-action";
      icon: "test-symbolic";
    }
  }
}