meta box

<?php
function _custom_meta_boxes() {
/*copy here*/
  $portfolio_meta_box = array(
    'id'          => 'portfolio_meta_box',
    'title'       => 'Portfolio Information',
    'desc'        => '',
    'pages'       => array( 'portfolio-items' ),
    'context'     => 'normal',
    'priority'    => 'high',
    'fields'      => array(
      array(
        'label'       => 'Upload large image',
        'id'          => 'large_image',
        'type'        => 'upload',
        'desc'        => 'Upload portfolio large image, this will go on iframe. Best size for image is 800px width and 600px height'
      )
    )
  );
  ot_register_meta_box( $portfolio_meta_box );
/*to here*/
}
?>