How Can I show the Trigger and LastValue Diffrencies on action e-mail

[Zabbixtrator]

Hello everyone,

I'm working on a problem on Zabbix.
I have an Item that collect connections of clients number using OID from a network devices from every minutes.



And I set an Trigger. That works if any connection decrease suddenly for example -10.000.



I'm chekcing the latest data screen. Every minute lively I can see the changes.


My scenario is like that;
Step One -> 50.000 client online
Step Two -> 10.000 client leave the device.Trigger work (-10.000 client change I set the trigger as you see on screenshots)
Step Three -> I have the e-mail action.
-------------------------------------------------------
Subject: Sudden Client Leave Alert
Least Value: 40.000
First Value: 50.000
Differences: 10.000
------------------------------------------------------

I wonder can I show that 3 values dynamically on my-email when every trigger works ?? (Least Value: 40.000, First Value: 50.000, Differences: 10.000)

I will be pleasured If you help to me.

[tikkami]

I have added extra information to emails by using items in dummy trigger expression. I mean I have just added those items with condition which doesn't fire in any condition.

Then {ITEM.LASTVALUEx} can be used to construct the operational data.

It must be kept in mind that trigger expression is evaluated always when any of items gets a new value. So there is a risk to get double problems.

[Zabbixtrator]

Thanks Tikkami, I understand your answer this is not a stable solution on zabbix ? Is there any another way to solve that?