passive_rite_learning_travel_province_effect

passive_rite_learning_travel_province_effect = {
	random = {
		chance = passive_rite_learning_travel_province_chance
		if = {
			limit = {
				is_available_quick = {
					advanced_ruler = yes
				}
				is_available_travelling_adult = yes
				NOT = { has_character_flag = passive_rite_learning_travel_recent_flag }
			}
			save_scope_as = passive_learn_learner
			random_list = {
				75 = {
					trigger = {
						root.location ?= {
							exists = faith
							faith != root.faith
							rite = {
								is_valid_passive_learning_rite_for_learner_trigger = { LEARNER = root }
							}
						}
					}
					root.location.rite = {
						save_scope_as = passive_learn_rite
					}
				}
				25 = {
					trigger = {
						any_pool_character = {
							province = root.location
							faith != root.faith
							is_valid_passive_learning_source_for_learner_trigger = { LEARNER = root }
						}
					}
					random_pool_character = {
						province = root.location
						limit = {
							is_valid_passive_learning_source_for_learner_trigger = { LEARNER = root }
						}
						save_scope_as = passive_learn_source
					}
				}
			}
			if = {
				limit = { exists = scope:passive_learn_source }
				add_character_flag = {
					flag = passive_rite_learning_travel_recent_flag
					days = 90
				}
				random_list = {
					50 = {
						trigger = {
							any_character_tenet = {
								knowledge_filter = unknown
								passive_rite_learning_candidate_tenet_is_core_trigger = { RITE = scope:passive_learn_source.rite }
								count >= 1
							}
						}
						passive_rite_learning_pick_and_apply_tenet_abroad_effect = yes
					}
					50 = {
						trigger = {
							any_character_doctrine = {
								knowledge_filter = unknown
								passive_rite_learning_candidate_doctrine_is_core_trigger = { RITE = scope:passive_learn_source.rite }
								passive_rite_learning_doctrine_is_learnable_trigger = yes
								count >= 1
							}
						}
						passive_rite_learning_pick_and_apply_doctrine_abroad_effect = yes
					}
				}
			}
			else_if = {
				limit = { exists = scope:passive_learn_rite }
				add_character_flag = {
					flag = passive_rite_learning_travel_recent_flag
					days = 90
				}
				random_list = {
					50 = {
						trigger = {
							any_character_tenet = {
								knowledge_filter = unknown
								passive_rite_learning_candidate_tenet_is_core_trigger = { RITE = scope:passive_learn_rite }
								count >= 1
							}
						}
						passive_rite_learning_pick_and_apply_tenet_from_rite_effect = yes
					}
					50 = {
						trigger = {
							any_character_doctrine = {
								knowledge_filter = unknown
								passive_rite_learning_candidate_doctrine_is_core_trigger = { RITE = scope:passive_learn_rite }
								passive_rite_learning_doctrine_is_learnable_trigger = yes
								count >= 1
							}
						}
						passive_rite_learning_pick_and_apply_doctrine_from_rite_effect = yes
					}
				}
			}
		}
	}
}

As written in game/common/scripted_effects/passive_rite_learning_effects.txt.