synergise_friendship_interaction_actual_effect

synergise_friendship_interaction_actual_effect = {
	if = {
		limit = { always = scope:synergy_bonus_actor }
		synergise_friendship_interaction_bonus_individual_effect = {
			SENIOR_CHARACTER = scope:actor
			JUNIOR_CHARACTER = scope:recipient
		}
	}
	if = {
		limit = { always = scope:synergy_bonus_recipient }
		synergise_friendship_interaction_bonus_individual_effect = {
			SENIOR_CHARACTER = scope:recipient
			JUNIOR_CHARACTER = scope:actor
		}
	}
	if = {
		limit = { always = scope:synergy_bonus_mixed }
		synergise_friendship_interaction_bonus_combined_effect = {
			SENIOR_CHARACTER = scope:actor
			JUNIOR_CHARACTER = scope:recipient
		}
	}
}

As written in game/common/scripted_effects/03_dlc_fp2_scripted_effects.txt.