Returns the registered actions.

        :return: Actions list.
        :rtype: list

def list_actions(self):
        """
        Returns the registered actions.

        :return: Actions list.
        :rtype: list
        """

        actions = []
        for path, actionName, action in self:
            actions.append(self.__namespace_splitter.join(itertools.chain(path, (actionName,))))
        return sorted(actions)