Zabbix 3.4 trigger with Unix time

http://Zabbix trigger with Unix time https://www.zabbix.com/documentation/3.4/manual/appendix/triggers/functions

Realtime sent data with Python.
Unix_time is the unix time and py_time is the readable converted unixtime.
Here the last value is the same as py_time

Dashboard, has no alarm for the Unix late data trigger

Now we have sent data with old time, to breach the alarm.

Here the last value is later then py_time:

Dashboard with alarm:

Trigger: