pvalve

I have a pvalve and it’s gonna be first time using it this weekend, I have the catheter but how to connect to the hose I insert the catheter over the tube or inside the pvavle tube?

I got a Dive Rite balanced p-valve installed on my drysuit this year since I was already getting new boots to replace the neoprene socks. I’m generally doing <2 hour dives so bladder management has never been an issue but I thought what the hell. I recently started diving SM and don my tanks in...