The origins that can access the function URL. You can list any number of specific origins (or the wildcard character ("*")), separated by a comma. For example: ["https://www.example.com", "http://localhost:60905"].
The maximum amount of time, in seconds, that web browsers can cache results of a preflight request. By default, this is set to 0, which means that the browser doesn't cache results. The maximum value is 86400.