activity_intent_target_arrival_notification_effect

activity_intent_target_arrival_notification_effect = {
	if = {
		limit = {
			NOT = {
				capital_province ?= scope:activity.activity_location
			}
			NAND = {
				is_playable_character = no
				exists = liege.capital_province
				liege.capital_province = scope:activity.activity_location
			}
			save_temporary_scope_as = intent_target_temp
			scope:activity = {
				any_attending_character = {
					intent_target ?= scope:intent_target_temp
				}
			}
		}
		save_scope_as = intent_targetee
		scope:activity = {
			every_attending_character = {
				limit = {
					intent_target ?= scope:intent_targetee
				}
				save_scope_as = intent_targeter
				send_interface_message = {
					title = activity_intent_target_arrival_title
					left_icon = scope:intent_targetee
					custom_tooltip = activity_intent_target_arrival_desc
				}
			}
		}
	}
}

As written in game/common/scripted_effects/04_dlc_ep2_tournament_effects.txt.