passive_rite_learning_apply_from_source_effect

passive_rite_learning_apply_from_source_effect = {
	random_list = {
		10 = {
			trigger = {
				scope:passive_learn_source_tier <= 2
				NOT = {
					knows_rite_level = {
						target = scope:passive_learn_source.rite
						value >= 100
					}
				}
			}
			modifier = {
				add = 990
				scope:passive_learn_source_tier = 1
			}
			add_known_rite = scope:passive_learn_source.rite
			send_interface_message = {
				type = msg_passive_learned_rite
				desc = msg_passive_learned_rite_desc
				left_icon = scope:passive_learn_source
				right_icon = scope:passive_learn_source.rite
			}
		}
		45 = {
			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_effect = yes
		}
		45 = {
			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_effect = yes
		}
	}
}

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