retract_vassal_interaction_effect

retract_vassal_interaction_effect = {
	scope:puppet_or_actor = {
		vassal_revocation_tyranny_effect = yes
		if = {
			limit = {
				vassal_revocation_is_tyrannical_trigger = { VASSAL = scope:recipient }
			}
			stress_and_fulfillment_impact = {
				generous = medium_stress_impact_gain
				just = medium_stress_impact_gain
			}
		}
		else = {
			stress_and_fulfillment_impact = {
				generous = medium_stress_impact_gain
				forgiving = minor_stress_impact_gain
			}
		}
		consume_revoke_title_reason = scope:recipient
	}
	create_title_and_vassal_change = {
		type = revoked
		save_scope_as = change
		add_claim_on_loss = no
	}

	scope:secondary_recipient = {
		change_liege = {
			liege = scope:puppet_or_actor
			change = scope:change
		}
	}

	resolve_title_and_vassal_change = scope:change

	scope:recipient = {
		add_opinion = {
			target = scope:puppet_or_actor
			modifier = retracted_vassal
		}
	}
	if = {
		limit = {
			always = scope:hook
			scope:puppet_or_actor ?= { has_hook = scope:recipient }
		}
		scope:puppet_or_actor = { use_hook = scope:recipient }
	}
}

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