def list_controls(self, limit=500, offset=0):
        """List `all` the controls on this Thing.

        Returns QAPI list function payload

        Raises [IOTException](./Exceptions.m.html#IoticAgent.IOT.Exceptions.IOTException)
        containing the error if the infrastructure detects a problem

        Raises [LinkException](../Core/AmqpLink.m.html#IoticAgent.Core.AmqpLink.LinkException)
        if there is a communications problem between you and the infrastructure

        `limit` (optional) (integer) Return this many Point details

        `offset` (optional) (integer) Return Point details starting at this offset
        """
        return self.__list(R_CONTROL, limit=limit, offset=offset)['controls']
List `all` the controls on this Thing.

        Returns QAPI list function payload

        Raises [IOTException](./Exceptions.m.html#IoticAgent.IOT.Exceptions.IOTException)
        containing the error if the infrastructure detects a problem

        Raises [LinkException](../Core/AmqpLink.m.html#IoticAgent.Core.AmqpLink.LinkException)
        if there is a communications problem between you and the infrastructure

        `limit` (optional) (integer) Return this many Point details

        `offset` (optional) (integer) Return Point details starting at this offset