In AWS on the whole if there is any type of extension mechanism it's done via a lambda. Anything that needs an eval(), that is more than a regexp, is done via

In AWS on the whole if there is any type of extension mechanism it's done via a lambda. Anything that needs an eval(), that is more than a regexp, is done via lambda. This makes lambda's the glue of AWS. The input events are small json values, and the outputs are json values, and you can (mostly) use any language you want.