HI @acfcfs
I think that should do the trick.. with the correct IDs
function my_relationship_query( $args, $field, $post ){
$args[‘post__not_in’] = array(1,2,3);
return $args;
}
//change yourfieldname to your specific field.. so you're not messing with any relationship field
add_filter(‘acf/fields/relationship/query/name=yourfieldname’, ‘my_relationship_query’, 10, 3);
The $args is the very same as what’s being used in WP_Query http://codex.wordpress.org/Class_Reference/WP_Query#Post_.26_Page_Parameters