change() function returns the amount of difference between last and previous values.
diff() function returns 1 if last and previous values differ, 0 otherwise.
Reference: https://www.zabbix.com/documentation/3.2/manual/appendix/triggers/functions
I think you mean the latter. The former returned expression evaluation error in Zabbix 3.2.
change() function returns the amount of difference between last and previous values. diff() function returns 1 if last and previous values differ, 0 otherwise. Reference: https://www.zabbix.com/documentation/3.2/manual/appendix/triggers/functions I think you mean the latter. The former returned expression evaluation error in Zabbix 3.2.