What is the option in `rc` for vfs caching path: `--cache-dir`?

[eligible]

I cannot find how to set the cache path (equivalent of --cache-dir) when mounting via rc ... I tried "CacheDir" but that seems to have no effect ... And rclone rc options/get don't get anything related to cache dir ...
Using rclone:

rclone v1.63.1-DEV
- os/version: opensuse-leap 15.4 (64 bit)
- os/kernel: 5.14.21-150400.24.60-default (x86_64)
- os/type: linux
- os/arch: amd64
- go/version: go1.18.1
- go/linking: dynamic
- go/tags: none

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How to set cache-dir using rc options/set

I want to convert below rclone mount command to rclone rc options/set rclone mount \ --config=/home/ubuntu/.config/rclone/rclone.conf \ --allow-other \ --default-permissions \ --no-modtime \ --drive-use-trash \ --uid=1001 \ --gid=1002 \ --cache-dir=/media/local/hdd/.rclone_cache \ --dir-cache-time=1000h \ --vfs-cache-max-age=10000h \ --vfs-cache-max-size=50000G \ --vfs-read-ahead=128M \ --vfs-cache-mode=full so far I have narrow it down to rclone rc options/set \ --rc-user 'user…

[eligible]

So you have to set it while starting with rcd and you cannot change it with rc or HTTP Post ?