tkt_treeview_post_type()

The tkt_treeview_posts_type Filter can be used to change the Post Type queried by the Hierarchical Posts Tree plugin.

Arguments:

Example:

add_filter( 'tkt_treeview_posts_type', 'change_the_post_type' );
function change_the_post_type($post_type){     
  $post_type = 'post';//change this to the post type you want to query     
  return $post_type;
}