nest.class.php
public function setHumidity($humidity, $serial_number = NULL) {
        $serial_number = $this->getDefaultSerial($serial_number);
        $data = json_encode(array('target_humidity' => ((double)$humidity)));
        return $this->doPOST("/v2/put/device." . $serial_number, $data);
    }
public function setHumidity($humidity, $serial_number = NULL) {
        $serial_number = $this->getDefaultSerial($serial_number);
        $data = json_encode(array('target_humidity' => ((double)$humidity)));
        return $this->doPOST("/v2/put/device." . $serial_number, $data);
    }
Change the dual-fuel breakpoint temperature.

@param float  $humidity      The target humidity value.
@param string $serial_number The thermostat serial number. Defaults to the first device of the account.

@return stdClass|bool The object returned by the API call, or FALSE on error.