# OMAP (ObjectMap) > Maps object key to array of possible keys. `npm install omap --save` ## Example ``` var omap = require("omap"); var incoming = { "Access Token": "12345qwerty" } var potential = { "token": [ "access-token", "token", "token-access", ] } var outgoing = omap(incoming, potential); // { token: '12345qwerty' } ```