send_poem_romance_duel_actor_victory_effect

send_poem_romance_duel_actor_victory_effect = {
	add_clan_unity_interaction_effect = {
		CHARACTER = scope:actor
		TARGET = scope:recipient
		VALUE = minor_unity_gain
		DESC = clan_unity_poetry.desc
		REVERSE_NON_HOUSE_TARGET = no
	}
	scope:actor = {
		if = {
			limit = {
				has_trait = lifestyle_poet
			}
			add_trait_xp = {
				trait = lifestyle_poet
				value = { 5 10 }
			}
		}
	}
	# Add a good amount of opinion of scope:actor.
	scope:recipient = {
		add_opinion = {
			target = scope:actor
			modifier = sent_poem_romance_opinion
		}
		hidden_effect = {
			random = {
				chance = 25
				if = {
					limit = { can_set_relation_potential_lover_trigger = { CHARACTER = scope:actor } }
					set_relation_potential_lover = scope:actor
				}
			}
		}
	}
}

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