Custom post type columns with custom fields

gistfile1.txt

// Add custom columns to milsstones post type
function my_milestone_columns($columns){
	$columns = array(
		'cb'	 	=> '<input type="checkbox" />',
		'title' 	=> 'Title',
		'year' 	=> 'Year',
		'month'	=>	'Month',
		'date'	=>	'Date',
	);
	return $columns;
}

function my_custom_milestone_columns($column, $post_id){
	switch ( $column ) {
	case 'year' :
	    echo get_field('year');
		break;

	case 'month' :
	    echo get_field('month');
	    break;
    }
}
add_filter( 'manage_edit-milestone_columns', 'my_milestone_columns' );
add_action( 'manage_milestone_posts_custom_column' , 'my_custom_milestone_columns', 10, 2 );