This method sets the a digital latch for a given digital pin, the threshold type, and latching threshold.
        :param command:{"method": "set_digital_latch", "params": [PIN, THRESHOLD (0 or 1)]}
        :returns:{"method": digital_latch_data_reply", "params": [PIN, DATA_VALUE_LATCHED, TIMESTAMP_STRING]}

async def set_digital_latch(self, command):
        """
        This method sets the a digital latch for a given digital pin, the threshold type, and latching threshold.
        :param command:{"method": "set_digital_latch", "params": [PIN, THRESHOLD (0 or 1)]}
        :returns:{"method": digital_latch_data_reply", "params": [PIN, DATA_VALUE_LATCHED, TIMESTAMP_STRING]}
        """
        pin = int(command[0])
        threshold_value = int(command[1])
        await self.core.set_digital_latch(pin, threshold_value, self.digital_latch_callback)