### Class method

# Gtk WidgetClassset_template

#### Declaration [src]

    void
    gtk_widget_class_set_template (
      GtkWidgetClass* widget_class,
      GBytes* template_bytes
    )

#### Description [src]

This should be called at class initialization time to specify the `GtkBuilder` XML to be used to extend a widget.

For convenience, `gtk_widget_class_set_template_from_resource()` is also provided.

Note that any class that installs templates must call `gtk_widget_init_template()` in the widget’s instance initializer.

#### Parameters

`template_bytes`

  Type: `GBytes`

  A `GBytes` holding the `GtkBuilder` XML.

  The data is owned by the caller of the method.