Apple Shake 4 - Manual (Page 154)

154 Chapter 4 Using Proxies
Pre-Generated Proxy File References in FileIn Nodes
When you open a FileIn node’s parameters in the Parameters tab, the imageName
parameter shows which proxy image files are currently being used. For example,
generating a set of proxies for an image sequence located in a directory named “Media”
in the $HOME directory results in the following path appearing when you set useProxy
to P2:
If you open the imageName subtree in the Parameters tab, four proxyNFile fields
display information about the media files referenced for each proxy setting.