petition_liege_has_main_skiller_trigger

petition_liege_has_main_skiller_trigger = { 
	scope:petition_liege = {
		OR = {
			trigger_if = {
				limit = { exists = cp:councillor_chancellor }
				cp:councillor_chancellor = { petition_liege_skiller_trigger = yes }
			}
			trigger_else = { always = no }
			
			trigger_if = {
				limit = { exists = cp:councillor_marshal }
				cp:councillor_marshal = { petition_liege_skiller_trigger = yes }
			}
			trigger_else = { always = no }

			trigger_if = {
				limit = { exists = cp:councillor_steward }
				cp:councillor_steward = { petition_liege_skiller_trigger = yes }
			}
			trigger_else = { always = no }

			trigger_if = {
				limit = { exists = cp:councillor_spymaster }
				cp:councillor_spymaster = { petition_liege_skiller_trigger = yes }
			}
			trigger_else = { always = no }

			trigger_if = {
				limit = { exists = cp:councillor_court_chaplain }
				cp:councillor_court_chaplain = { petition_liege_skiller_trigger = yes }
			}
			trigger_else = { always = no }

			trigger_if = {
				limit = {
					is_married = yes
					exists = primary_spouse
				}
				primary_spouse = {
					is_playable_character = no 
					petition_liege_skiller_trigger = yes
					exists = scope:petition_vassal
					NOT = { has_any_scripted_relation = scope:petition_vassal }
				}
			}
			trigger_else = { always = no }
		}
	}
}

As written in game/common/scripted_triggers/00_activity_triggers.txt.