ObjectEvent

5min

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
Property
Details
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
﻿

Property	Details
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.

Updated 19 Feb 2024

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