About

ObjectEvent reports the EPCs of all the RFID tags that were read by an RFID device at a given point in time.

Only Handheld devices will include the Alias or Credential(s) parameters in their object events.

Fields

PropertyDetails

Type

string
The type of Jetstream event.

EventId

string
Unique
The ID assigned to the event.

EventTime

string

The time that the event occurred.

The value is expressed in UTC.

This value is expressed in the following format: yyyy-MM-ddTHH:mm:ssZ

Version

int

The Jetstream version of the event.

Device

string

The name of the device.

ReceivedTime

string

The time that the event was received from the device.

The value is expressed in UTC.

This value is expressed in the following format: yyyy-MM-ddTHH:mm:ssZ

Observe

array(string)

The EPC tag numbers observed by the device.

Alias

string

The alias used by the device.

This property is only present when Version has a value of 3+.

If this property is present, its value is optional. If the value is not defined, it defaults to an empty string.

Credential(s)

string

The credentials used by the user who triggered the event.

This property is only present when Version has a value of 3+.

If this property is present, its value is optional. If the value is not defined, it defaults to an empty string.

Examples

Published ObjectEvent from All Device Types other than Handhelds

{
    "Observe": [
        "E2009061540301250180F17E",
        "E2009061540301230180F176",
        "E2009061548301420180F1C2",
        "E2009061540301440180F1CA",
        "AD0052210000000000014469",
        "E2009061540301460180F1D2"
    ],
    "Device": "MyDeviceName",
    "ReceivedTime": "2018-05-19T06:15:00Z",
    "Type": "ObjectEvent",
    "EventId": "5b9085e0-e83b-4b74-a937-43df932508c8",
    "EventTime": "2018-05-19T06:14:56Z",
    "Version":2
}

Published ObjectEvent from a Handheld

{
	"Type": "ObjectEvent",
	"Alias": "MyAliasName",
	"Device": "MyDeviceName",
	"EventId": "ac1d6984-e2a4-4028-9d2d-1e007f6fc18c",
	"Observe": [
		"E2009061540301250180F17E",
		"E2009061540301230180F176",
		"E2009061548301420180F1C2",
		"E2009061540301440180F1CA",
		"AD0052210000000000014469",
		"E2009061540301460180F1D2",
	],
	"Version": 3,
	"EventTime": "2020-11-25T20:20:32Z",
	"Credential": null,
	"Credentials": "",
	"ReceivedTime": "2020-11-25T20:20:34Z"
}


Version Changes

  • Addition of the Alias property
  • Addition of the Credentials property
  • Addition of the Version property