set_cadet_aspiration_cooldown_effect

set_cadet_aspiration_cooldown_effect = {
	hidden_effect = {
		save_temporary_scope_as = house_temp
		scope:old_house.house_confederation.leading_house = {
			switch = {
				trigger = has_house_aspiration_parameter
				ceremony_cheaper_feasts = {
					scope:house_temp = {
						if = {
							limit = { NOT = { has_house_aspiration_parameter = ceremony_cheaper_feasts } }
							set_house_aspiration = { type = ceremony }
						}
					}
				}
				unlocks_japanese_manor_watch_house = {
					scope:house_temp = {
						if = {
							limit = { NOT = { has_house_aspiration_parameter = unlocks_japanese_manor_watch_house } }
							set_house_aspiration = { type = determination }
						}
					}
				}
				unlocks_japanese_manor_shrine = {
					scope:house_temp = {
						if = {
							limit = { NOT = { has_house_aspiration_parameter = unlocks_japanese_manor_shrine } }
							set_house_aspiration = { type = humility }
						}
					}
				}
				unlocks_japanese_manor_brewery = {
					scope:house_temp = {
						if = {
							limit = { NOT = { has_house_aspiration_parameter = unlocks_japanese_manor_brewery } }
							set_house_aspiration = { type = prosperity }
						}
					}
				}
				unlocks_japanese_manor_archive = {
					scope:house_temp = {
						if = {
							limit = { NOT = { has_house_aspiration_parameter = unlocks_japanese_manor_archive } }
							set_house_aspiration = { type = service }
						}
					}
				}
				unlocks_japanese_manor_armory = {
					scope:house_temp = {
						if = {
							limit = { NOT = { has_house_aspiration_parameter = unlocks_japanese_manor_armory } }
							set_house_aspiration = { type = strength }
						}
					}
				}
			}
		}
		if = {
			limit = { house_head = { is_ai = yes } }
			set_variable = {
				name = recently_changed_aspiration
				years = 5
			}
		}
	}
}

As written in game/common/scripted_effects/10_dlc_tgp_house_bloc_scripted_effects.txt.