In that case it will depend on certain factors. Unfortunately partypoker.com no longer provides downloadable hand history files as you play so a HUD does not work there but you can download hands from the partypoker client afterwards and import them into PokerTracker 4 using 'Play Poker -> Get Hands From Disk' to review/track your data:
https://help.partypoker.com/en/poker-he ... nd-historyIf you are a part of that same player pool I do not know if Ladbrokes partypoker skins offer this option to download hands.
If you are on a region specific skin with its own player pool that still offers the option to save hand history files as you play then a HUD would still be supported:
PartyPoker Configuration GuideIf PokerTracker 4 isn't detecting the install you can click 'Add' to manually select folder where your hands are being saved. You can also download the installer for your party skin,
compress it, and attach it to a
Support Ticket so that we can find out the data we need to auto detect it although that would only be needed if the client offers the option to saves hands while you play.