This is documentation about a configuration directive, which can be placed within Movable Type’s core configuration file,
mt-config.cgi, to customize the behavior of the system.
Using with SupportDirectoryURL, defining local path for the support directory.
MT uploads asset files for CMS, for example, Userpics or theme thumbnails, to support directory. To change the directory, need to make the directry and grant permission to write, in advance.
If left undefined,
will be set as the initial value.