How to use the pynetbox.core.endpoint.RODetailEndpoint function in pynetbox

def napalm(self):
        """ Represents the ``napalm`` detail endpoint.

        Returns a DetailEndpoint object that is the interface for
        viewing response from the napalm endpoint.

        :returns: :py:class:`.DetailEndpoint`

        :Examples:

        >>> device = nb.ipam.devices.get(123)
        >>> device.napalm.list(method='get_facts')
        {"get_facts": {"interface_list": ["ge-0/0/0"]}}

        """
        return RODetailEndpoint(self, "napalm")

def units(self):
        """ Represents the ``units`` detail endpoint.

        Returns a DetailEndpoint object that is the interface for
        viewing response from the units endpoint.

        :returns: :py:class:`.DetailEndpoint`

        :Examples:

        >>> rack = nb.dcim.racks.get(123)
        >>> rack.units.list()
        {"get_facts": {"interface_list": ["ge-0/0/0"]}}

        """
        return RODetailEndpoint(self, "units", custom_return=RUs)