create_conversion_memory_effect

create_conversion_memory_effect = {
	if = {
		limit = {
			exists = scope:old_rite
			scope:old_rite != rite # A rite that diverged into its own faith keeps its object; nobody converted
			NOT = { has_character_flag = conversion_memory_recently_created }
		}
		save_temporary_scope_as = conversion_memory_owner
		add_character_flag = { # The conversion window fires on_rite_change twice for a same-faith switch
			flag = conversion_memory_recently_created
			days = 2
		}
		if = {
			limit = {
				exists = scope:old_faith
				scope:old_faith != faith
			}
			create_character_memory = { type = converted_faith_memory }
			scope:new_memory = {
				set_variable = {
					name = old_faith
					value = scope:old_faith
				}
				set_variable = {
					name = new_faith
					value = scope:conversion_memory_owner.faith
				}
				set_variable = {
					name = new_rite
					value = scope:conversion_memory_owner.rite
				}
			}
		}
		else = {
			create_character_memory = { type = converted_rite_memory }
			scope:new_memory = {
				set_variable = {
					name = old_rite
					value = scope:old_rite
				}
				set_variable = {
					name = new_rite
					value = scope:conversion_memory_owner.rite
				}
			}
		}
		if = {
			limit = { is_adult = no }
			scope:new_memory = { set_variable = childhood_memory }
		}
	}
}

As written in game/common/scripted_effects/00_religion_effects.txt.