Game concept
Demand Payment
The game also links it as Demand Payment Interaction.
From the game's encyclopedia
The game's text for patch 1.20.1.2. Words in blue are entries of the encyclopedia: hover one to read it, as in the game.
Demand Payment is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "A Diplomatic Interaction that allows a character to demand payment of Gold in exchange for any Hooks they have." It is part of Interaction. The game also links it as Demand Payment Interaction. Patch 1.20.1.2, from game/common/game_concepts/00_game_concepts.txt and game/localization/english/game_concepts_l_english.yml.
Source: game/common/game_concepts/00_game_concepts.txt, game/localization/english/game_concepts_l_english.yml and the English localisation, Crusader Kings III 1.20.1.2.