public function define_trigger() {

		$trigger = array(
			'author'              => Automator()->get_author_name( $this->trigger_code ),
			'support_link'        => Automator()->get_author_support_link( $this->trigger_code, 'integration/woocommerce-shipstation/' ),
			'integration'         => self::$integration,
			'code'                => $this->trigger_code,
			'trigger_meta'        => $this->trigger_code,
			/* translators: Logged-in trigger - WooCommerce */
			'sentence'            => esc_attr__( 'An order is shipped', 'uncanny-automator' ),
			/* translators: Logged-in trigger - WooCommerce */
			'select_option_name'  => esc_attr__( 'An order is shipped', 'uncanny-automator' ),
			'action'              => 'woocommerce_shipstation_shipnotify',
			'priority'            => 99,
			'accepted_args'       => 2,
			'validation_function' => array( $this, 'shipping_completed' ),
			'options'             => array(),
		);
		Automator()->register->trigger( $trigger );
		return;
	}