Gtk.Notebook.prototype.set_group_name

function set_group_name(group_name:String):void {
    // Gjs wrapper for gtk_notebook_set_group_name()
}

Sets a group name for notebook.

Notebooks with the same name will be able to exchange tabs via drag and drop. A notebook with a null group name will not be able to exchange tabs with any other notebook.

Since 2.24