How can I trigger a custom function if a CRM email is not opened after few hours?

How can I trigger a custom function if a CRM email is not opened after few hours?

Hi guys,

I would like when I send an email to a contact through CRM, if  3 hours later the email is not opened then to trigger a custom function (whatever function).

I have tried in the Emails module when Outgoing Email is Unopened for 15 minutes then do something but it did not work as the email is still in Sent Status.

I thought that Sent and Unopened Statuses, CRM understand them as equal somehow.

Is there any way for this problem?




I think that somehow in a workflow I need to get the Status and not the "Latest Email Status". Because when I filter like the below it returns me the record. But how can I set it in a workflow like this?



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