HeartbeatEvent

about heartbeatevent is used to indicate that a device is still working properly and has internet connectivity if a device is offline, it will not have heartbeatevents each device will send a heartbeatevent at the interval specified in its heartbeatinterval parameter, regardless of any other 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 example published heartbeatevent { "device" "mydevicename", "receivedtime" "2018 05 19t06 14 59z", "type" "heartbeatevent", "eventid" "9eebaf4b 52a6 487b bf2c b8f8e88bf906", "eventtime" "2018 05 19t06 14 30z", "version" 2 } version changes addition of the version property