'Add a link using default naming and layers only.'

def add_link(self, source, source_layer=None, source_translator='identity', name=None, **kwargs):

    if (source_layer is None):
        source_layer = source.default_source_layer()
    if (name is None):
        name = source.spec.name
    self.spec.linked_feature.add(source_component=source.spec.name, source_layer=source_layer, name=name, source_translator=source_translator, **kwargs)
