frm_rte_options

This example below will add the WordPress Media button to all Rich Text fields used throughout your site. Please note that the Add Media button will only appear for users who have permission to edit WordPress posts.

// Add "Add Media" button to TinyMCE editor
add_filter('frm_rte_options', 'frm_rte_options', 10, 2);
function frm_rte_options($opts, $field){
    $opts['media_buttons'] = true;
    return $opts;
}

This variation on the example above will add the WordPress Add Media button to all Rich Text fields throughout your site, but only for Administrators.

// Add "Add Media" button to TinyMCE editor
add_filter('frm_rte_options', 'frm_rte_options', 10, 2);
function frm_rte_options($opts, $field){
  if ( current_user_can('manage_options' ) ) {
    $opts['media_buttons'] = true;
  }
  return $opts;
}