hold_court_queue_next_event_effect

hold_court_queue_next_event_effect = {
	# Sort the widget for next time.
	change_variable = {
		name = petitioner_current_progress
		add = 1
	}
	# Update the widget.
	save_scope_value_as = {
		name = event_chain_progress
		value = var:petitioner_current_progress
	}
	# Trigger the next event along.
	if = {
		limit = { var:num_petitioners >= 1 }
		# Reduce the tracking variable by one.
		change_variable = {
			name = num_petitioners
			add = -1
		}
		# Then, trigger an event.
		trigger_event = { on_action = hold_court_event_selection }
	}
	# Or else remove the empty variable.
	else = { remove_variable = num_petitioners }
}

As written in game/common/scripted_effects/00_ep1_hold_court_effects.txt.