Game concept
Create Travel Itinerary
The game also links it as Create Travel Itinerary Decision.
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.
Create Travel Itinerary is an entry of Crusader Kings III's in-game encyclopedia. The game explains it: "A Decision that lets a character trade Gold for an Artifact, by commissioning a travel itinerary describing places they have visited." It is part of Decision. The game also links it as Create Travel Itinerary Decision. 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.