how to install and configure relay extension for php-fpm83 in cwp

hello,

can someone guide me how to install and configure relay extension for php-fpm83 in cwp for redis cache server. i have already installed redis cache server and its working perfectly fine. just want to install and configure relay extension with the per-requsits json, igbinary, and msgpack ,

i cant find them on php-fpm selector options these extensions.

Regards,

Zee