legend_ending_rewards_legitimizing_effect

legend_ending_rewards_legitimizing_effect = {
	# Legitimacy gain based on Legend Protagonist
	disburse_legend_protagonist_legitimacy_effect = yes
	# We let you diverge if it's an Ancient People legend
	if = {
		limit = {
			exists = scope:legendary_culture
			has_dlc_feature = diverge_culture # Don't mislead players who don't have access to divergence
		}
		custom_tooltip = { 
			text = can_select_legendary_culture_pillars_tt
			set_variable = {
				name = legendary_culture
				value = scope:legendary_culture
			}
		}
	}
	if = { #Roman Heritage legend without a Roman Empire
		limit = {
			scope:title_claim = title:h_roman_empire
			NOT = {
				exists = global_var:flag_restored_roman_empire
			}
		}
		title:d_latium.empire = { #Italy
			add_to_list = roman_heritage_claims
		}
		title:d_tunis.kingdom = { #North Africa
			add_to_list = roman_heritage_claims
		}
		title:d_thrace.empire = { #Byz
			add_to_list = roman_heritage_claims 
		}
		title:d_alexandria.kingdom = { #Egypt
			add_to_list = roman_heritage_claims 
		}
		title:d_antioch.kingdom = { #Syria
			add_to_list = roman_heritage_claims 
		}
		title:d_palestine.kingdom = { #Palestine
			add_to_list = roman_heritage_claims 
		}
		custom_tooltip = {
			text = legend_title_does_not_exist_sub_realm_claims_given_tt
		}
		hidden_effect = {
			every_in_list = {
				list = roman_heritage_claims

				if = {
					limit = {
						exists = this.holder
						this.holder != root
					}
					root = {
						add_pressed_claim = prev
						add_to_variable_list = {
							name = legendary_claims
							target = prev
						}
					}
				}
				else_if = {
					limit = {
						this.tier > tier_county
					}
					hidden_effect = {
						legend_distribute_claims_in_de_jure = yes
					}
				}
			}
		}

	}
	else_if = {
		limit = {
			exists = scope:title_claim.holder
			scope:title_claim.holder != root
		}
		add_pressed_claim = scope:title_claim
		add_to_variable_list = {
			name = legendary_claims
			target = scope:title_claim
		}
	}
	else_if = {
		limit = {
			scope:title_claim.tier > tier_county
		}
		custom_tooltip = {
			text = legend_title_does_not_exist_sub_realm_claims_given_tt
		}
		hidden_effect = {
			scope:title_claim = {
				legend_distribute_claims_in_de_jure = yes
			}
		}
	}
	# Available decision
	custom_tooltip = legend_ending_decision_tt
	promoted_legend ?= { set_variable = finished_legend_var }
	hidden_effect = {
		create_character_memory = {
			type = ce1_completed_my_legitimizing_legend
			participants = {
				owner = root
				protagonist = scope:legend_protagonist
			}
		}
	}
}

As written in game/common/scripted_effects/06_dlc_ce1_legend_effects.txt.