additional data in admin columns

my_custom_admin_columns.php

// Display additional data in admin columns for testimonials section
function my_testimonials_columns($columns)
{
  $columns = array(
    'cb'    => '<input type="checkbox" />',    
    'title'   => 'Title',
    'testimonialType'  => 'Testimonial Type',
    'videoID' =>  'Video ID',
    'author'  =>  'Author',
    'date'    =>  'Date',
  );
  return $columns;
}

function my_custom_columns($column)
{
  global $post;
  if($column == 'videoID')
  {
    if(get_field('testimonial_video_id'))
    {
      echo get_field('testimonial_video_id');
    }
    else
    {
      echo 'N/A';
    }
  }
  elseif($column == 'testimonialType')
  {
    if(get_field('testimonial_type'))
    {
      echo get_field('testimonial_type');
    }
    else
    {
      echo 'None Selected';
    }
  }
}

add_action("manage_posts_custom_column", "my_custom_columns");
add_filter("manage_edit-testimonial_columns", "my_testimonials_columns");