hunt_gift_trophy_opinion_effect

hunt_gift_trophy_opinion_effect = {
	if = {
		limit = {
			$RECIPIENT$ != scope:host
		}
		if = {
			limit = {
				hunt_dharmic_pacificist_trigger = yes
			}
			add_opinion = {
				target = scope:host
				modifier = hunt_dharmic_mercy_opinion
				opinion = -10
			}
		}
		else_if = {
			limit = {
				scope:activity = {
					has_activity_option = { category = special_type option = hunt_type_legendary }
				}
			}
			activity_improve_relations_intent_effect = {
				CHARACTER = scope:host
				REASON = friend_gave_hunt_trophy_reason
				OPINION = 20
				MODIFIER = hunt_gifted_trophy_opinion
			}
		}
		else_if = {
			limit = {
				$RECIPIENT$ = { is_adult = yes }
				scope:newly_created_artifact = {
					OR = {
						artifact_type = animal_trinket
						artifact_type = bird_feather
					}
				}
				NOT = {
					hunt_animal_type_predator_trigger = { VAR = scope:activity.var:animal_type }
				}
			}
			activity_improve_relations_intent_effect = {
				CHARACTER = scope:host
				REASON = friend_gave_hunt_trophy_reason
				OPINION = 5
				MODIFIER = hunt_gifted_trophy_opinion
			}
		}
		else_if = {
			limit = {
				$RECIPIENT$ = { is_adult = yes }
				scope:newly_created_artifact = {
					hunt_activity_large_game_trigger = { VAR = var:animal_type }
				}
			}
			activity_improve_relations_intent_effect = {
				CHARACTER = scope:host
				REASON = friend_gave_hunt_trophy_reason
				OPINION = 15
				MODIFIER = hunt_gifted_trophy_opinion
			}
		}
		else = {
			activity_improve_relations_intent_effect = {
				CHARACTER = scope:host
				REASON = friend_gave_hunt_trophy_reason
				OPINION = 10
				MODIFIER = hunt_gifted_trophy_opinion
			}
		}
	}
}

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