Apache Reference: mod_actions, Action

Action

Action to Trigger on MIME Type or Internal Handler
Syntax: Action action-type A
Example: Action image/gif /cgi-bin/download
Since: Apache 1.1

This directive defines an action, that will activate the CGI script cgi-script when action-type is triggered by a HTTP request. The action-type can consists of either an internal handler name or a MIME content type. The URL and file path of the requested document are delivered to cgi-script via the standard SSI/CGI PATH_INFO and PATH_TRANSLATED environment variables.