def add_layer_from_env(self):
        """This function creates a new layer, gets a list of all the
        current attributes, and attempts to find matching environment variables
        with the prefix of FJS\_. If matches are found it sets those attributes
        in the new layer.
        """
        self.add_layer()
        for attribute in self.get_attributes():
            env_attribute = os.environ.get('FJS_{}'.format(attribute))
            if env_attribute:
                setattr(self, attribute, env_attribute)
This function creates a new layer, gets a list of all the
        current attributes, and attempts to find matching environment variables
        with the prefix of FJS\_. If matches are found it sets those attributes
        in the new layer.