Godisgoodtoyou

$group_field_id = $box->add_field( array(
		'id'          => $prefix . 'group',
		'type'        => 'group',
		'options'     => array(
			'group_title'   => ($box->title) ? $box->title : __( 'Snippet {#}', 'cmb2' ), // {#} gets replaced by row number
			'add_button'    => __( 'Add Another Snippet', 'cmb2' ),
			'remove_button' => __( 'Remove Snippet', 'cmb2' ),
			// 'closed'     => true,
		),
	) );