“Dragon Ball Z Kakarot DLC UnlockerCodex Full” likely refers to:

The DLC Unlocker Codex is a special feature in Dragon Ball Z: Kakarot that allows players to unlock all the available DLCs. This codex is a collection of unlock codes that grant access to additional content, including new characters, stages, and storylines.

: Scroll down to the [DLC] section and ensure the following AppIDs are listed under it: