@ExtraFieldsDict("params")

event Event {

/** Only used for internal purposes. Should not be used
by application developer. */

constant string CHANNEL :="CumulocityIoT";

/** Type of the Event or Alarm. */

string eventType;

/** assetId of the source of the event. */

string assetId;

/** Timestamp of the event. */

float timestamp;

/** Text or message of the Event or Alarm */

string text;

/** Any extra parameters available on the Event or Alarm. */

dictionary<string, any> params;

}

@ExtraFieldsDict("params")

event Device {

/** The channel to which measurements are sent from the transport.*/

constant string CHANNEL:= "cumulocity.devices";

/** The unique identifier for this specific Device. */

string assetId;

/** The name of this Device. <b>Note:</b> This does not
have to be a unique value. */

string name;

/** The device integration platform type of the device */

string type;

/** The description for this Asset. */

string description;

/** List of supported operations for this device. */

sequence<string> supportedOperations;

/** List of supported measurements for this device */

sequence<string> supportedMeasurements;

/** Child assetIds of child devices */

sequence<string> childAssetIds;

/** If knonwn, contains lat, lng, altitude and accuracy */

dictionary<string, decimal> position;

/** A set of stringified extra configuration information
for this Device. */

dictionary<string, any> params;

}

@ExtraFieldsDict("extraParams")

event MeasurementValue {

/** Value from the sensor */

decimal value;

/** Units the reading is in, e.g. mm, lux */

string unit;

/** Type of the measurement - COUNTER, BOOLEAN, GUAGE or RATE */

string type;

/** Quantity */

string quantity;

/** State of the measurement - ORIGINAL, INTERPOLATED, VALIDATED */

string state;

/** Any per-value extra parameters */

dictionary<string, any> extraParams;

}

@ExtraFieldsDict("params")

event Measurement {

/** The channel to which measurements are sent from the transport.

*/

constant string CHANNEL:= "cumulocity.measurements";

/** The channel to send a measurements to create a new measurement

*/

constant string CREATE_CHANNEL:= "CumulocityIoT";

/** The type of the measurement. */

string measurementType;

/** The unique identifier of the source of the measurement.

* This should correspond to an Device sent in previously. */

string assetId;

/** The timestamp the measurement was taken, represented as the number of

* seconds since the epoch (1st January 1970). */

float timestamp;

/** Value name to MeasurementValue map of measurements. */

dictionary<string, MeasurementValue> measurements;

/** This stringified dictionary is available to hold any other data

* associated with the measurement. */

dictionary<string, any> params;

}

@ExtraFieldsDict("params")

event DeviceOperation {

/** Channel to send the events to. */

constant string CHANNEL := "CumulocityIoT";

/** assetId of the Device to send the operation to. */

string assetId;

/** Operation-specific data. */

dictionary<string, any> operations;

/** Any extra parameters available on the Device Operation. */

dictionary<string, any> params;

}

DeviceOperation do := new DeviceOperation;
do.assetId := "<DEVICE_ID>"; // This needs to be populated with
the appropriate device/asset Id
//Display a sample message if the device supports a display
//This makes supporting the usecases similar to the earlier versions
of both DeviceOperation and DeviceOperationJson far more simpler
do.operations.add("c8y_Meassage", {"text":"Hello Cumulocity device"});
//Set the states of multiple Relay Devices attached to a device
//This makes supporting the usecases similar to the earlier versions of
both DeviceOperationStringArray far more simpler
do.operations.add("c8y_RelayArray", ["CLOSED", "OPEN", "OPEN", "CLOSED"]);
send do to DeviceOperation.CHANNEL;