tgp_silk_road_phase_message_effect

tgp_silk_road_phase_message_effect = {
	every_player = {
		limit = {
			save_temporary_scope_as = player_temp
			scope:situation_sub_region ?= {
				any_situation_sub_region_participant_group = { participant_group_has_character = scope:player_temp }
			}
		}
		if = {
			limit = {
				scope:situation_sub_region = { sub_region_current_phase = phase_exceptional_bounty }
			}
			send_interface_message = {
				type = msg_silk_road_good
				title = msg_silk_road_phase_change_title
				custom_tooltip = msg_silk_road_phase_change_tt
			}
		}
		else_if = {
			limit = {
				scope:situation_sub_region = { sub_region_current_phase = phase_hardship}
			}
			send_interface_message = {
				type = msg_silk_road_bad
				title = msg_silk_road_phase_change_title
				custom_tooltip = msg_silk_road_phase_change_tt
			}
		}
		else = {
			send_interface_message = {
				type = msg_silk_road_neutral
				title = msg_silk_road_phase_change_title
				custom_tooltip = msg_silk_road_phase_change_tt
			}
		}
	}
}

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