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 the type of jetstream event eventid the id assigned to the event eventtime 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 the jetstream version of the event device the name of the device receivedtime 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 version changes addition of the version property