exp

Wildcard pattern of paths for which this function is applied. 

type

(Optional) Type assigned to a matching request (the Content-Type header).

enc

(Optional) Encoding assigned to a matching request (the Content-Encoding header).

lang

(Optional) Language assigned to a matching request (the Content-Language header).

charset

(Optional) The character set for the magnus-charset parameter in rq->srvhdrs. If a browser sends the Accept-Charset header or its User-Agent is Mozilla/1.1 or newer, then append “; charset=charset” to Content-Type, where charset is the value of the magnus-charset parameter in rq->srvhdrs.

bucket

(Optional) Common to all obj.conf functions. Adds a bucket to monitor performance. For more information, see The bucket Parameter.