5s: cannot find the "escalation notification recipient settings"

The OTRS manual says:

"Please also review the escalation notification recipient settings and see
if they match with your expectations (agents who have the ticket in one
of their custom queues vs. all agents with read permissions). "

I want the former -- "agents who have the ticket in one
of their custom queues"

This was configured via a setting in the file
Kernel/Config/GenericAgent.pm (now obsolete) previously and can now be
controlled via the GUI for each notification separately

But where can I find this setting? Running OTRS 5s here.

-- 
Ralf Hildebrandt                   Charite Universitätsmedizin Berlin
[email protected]        Campus Benjamin Franklin
http://www.charite.de              Hindenburgdamm 30, 12203 Berlin
Geschäftsbereich IT, Abt. Netzwerk fon: +49-30-450.570.155
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