basic_gained_court_position_effect

basic_gained_court_position_effect = {
	scope:employee = {
		if = {
			limit = {
				has_opinion_modifier = {
					modifier = revoked_court_position_opinion
					target = scope:liege
				}
			}
			remove_opinion = {
				modifier = revoked_court_position_opinion
				target = scope:liege
			}
		}
		if = {
			limit = {
				is_ruler = yes
				has_vassal_stance = courtly
			}
			add_opinion = {
				target = scope:liege
				modifier = courtly_court_position_opinion
			}
		}
		if = {
			limit = {
				scope:liege = { is_ai = no }
			}
			set_variable = {
				name = court_8311_cooldown
				years = 2
			}
		}

		# Unity impact
		#add_clan_unity_interaction_effect = {
		#	CHARACTER = scope:liege
		#	TARGET = this
		#	VALUE = 0 #minor_unity_gain
		#	DESC = clan_unity_assigned_to_court_position.desc
		#	REVERSE_NON_HOUSE_TARGET = yes
		#}
	}
}

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