claim_throne_outcome_roll_effect

claim_throne_outcome_roll_effect = {
	#SUCCESS ROLL
	random = {
		chance = scope:scheme.scheme_success_chance
		custom_tooltip = claim_throne_successful_roll_tt
		scope:owner = { mandala_trickster_increment_successful_schemes_effect = yes }
		save_scope_value_as = {
			name = scheme_successful
			value = yes
		}
	}
	### End Success roll
	#DISCOVERY ROLL
	custom_description_no_bullet = {
		text = claim_throne_success_discovery_warning_effect
	}
	random = {
		chance = scope:discovery_chance
		custom_tooltip = claim_throne_become_discovered_roll_tt
		save_scope_value_as = {
			name = scheme_discovered
			value = yes
		}
	}
	### End Discovery roll

	hidden_effect = {
		#FIRE CORRECT ON ACTIONS
		if = {
			limit = {
				exists = scope:scheme_successful
			}
			trigger_event = {
				on_action = claim_throne_succeeded
				days = 3
			}
		}
		else = {
			trigger_event = {
				on_action = claim_throne_failed
				days = 3
			}
		}
	}
}

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