public static function fire( $name, callable $callback, $sanitizer = null ) {
		add_action( "cmb2_render_{$name}", static::get_render_callback( $callback ), 10, 5 );

		if ( ! is_null( $sanitizer ) && is_callable( $sanitizer ) ) {
			add_filter( "cmb2_sanitize_{$name}", static::get_sanitize_callback( $sanitizer ), 10, 5 );
		}
	}