accept_faith_conversion_add_clan_unity_effect

accept_faith_conversion_add_clan_unity_effect = {
	# If we are clan, we want to affect unity when converting another house member to our faith...
	if = { # But you only gain unity if you are converting a member TO the house's primary faith
		limit = {
			exists = scope:puppet_or_actor.house
			scope:puppet_or_actor.house = {
				any_house_member = {
					percent >= 0.6
					faith = scope:puppet_or_actor.faith
				}
			}
		}
		add_clan_unity_interaction_effect = {
			CHARACTER = scope:puppet_or_actor
			TARGET = scope:recipient
			VALUE = minor_unity_gain
			DESC = clan_unity_conversion_accepted.desc
			REVERSE_NON_HOUSE_TARGET = no
		}
	}
	else_if = { # If you are converting them AWAY from the primary faith, lose unity
		limit = {
			exists = scope:puppet_or_actor.house
			scope:puppet_or_actor.house = {
				any_house_member = {
					percent >= 0.6
					faith = scope:recipient.faith
				}
			}
		}
		add_clan_unity_interaction_effect = {
			CHARACTER = scope:puppet_or_actor
			TARGET = scope:recipient
			VALUE = medium_unity_loss
			DESC = clan_unity_conversion_accepted.desc
			REVERSE_NON_HOUSE_TARGET = no
		}
	}
}

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