[erlang-questions] multiple instances of gen_server

[YC]

Hi all -

can there be multiple instances of a gen_server module on the same node?  I
couldn't find the answer googling (though I probably missed it), but reading
through the source code it seems that the server process is registered by
name, so by default it appears to be a singleton.

The gen_server start template from erlang mode and programming erlang looks
like

gen_server:start_link({local, ?MODULE}, ?MODULE, [], []).

Could it be that to enable multiple instances, instead of using ?MODULE as
the name, I pass in a different name myself and explicitly pass the name
through the API to get to the correct server?

Any insights are appreciated, thanks,
yc
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