successful_claim_throne_event_option_effect

successful_claim_throne_event_option_effect = {
	if = {
		limit = {
			exists = scope:scheme_discovered
		}
		add_prestige = claim_throne_discovered_prestige_loss
	}
	show_as_tooltip = {
		scope:target = {
			if = {
				limit = { exists = scope:set_rivalry }
				set_relation_rival = {
					target = scope:owner
					reason = rival_claimed_throne
				}
			}
			if = {
				limit = { exists = scope:scheme_discovered }
				add_opinion = {
					target = scope:owner
					modifier = claim_my_throne_success_discovered_opinion
				}
			}
			else = {
				add_opinion = {
					target = scope:owner
					modifier = claim_my_throne_success_undiscovered_opinion
					years = 10
				}
			}
		}
	}

	scope:scheme = {
		end_scheme = yes
	}

	add_pressed_claim = scope:target_title
}

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