Custom IR code set with version 4.5.0

I’m using Home Remote Designer v 4.5.0 and trying to control Panasonic PB-UB820. The Global Cache Panasonic->Blu Ray->DMP-UB Series 4K Players commands do nothing with the actual device (I see emitter LED blinking). I can record a command with Global Cache, send it back and it works.
I can’t find a menu item where I can add a new code/code set.
How can I use a custom IR code set?

You can take the command that you learnt, and replace the not working code directly in the code set.

I was looking for a while and still missed this: