Gtk.Buildable.prototype.set_buildable_property

function set_buildable_property(builder:Gtk.Builder, name:String, value:GObject.Value):void {
    // Gjs wrapper for gtk_buildable_set_buildable_property()
}

Sets the property name name to value on the buildable object.

Since 2.12

builder: a Gtk.Builder
name: name of property
value: value of property