Use the below code snippet to change the default ‘Enter the Title Here’ placeholder on the add new post screen for custom post types
function hex_change_default_title( $title ){
$screen = get_current_screen();
if ( 'custom_post_type_slug' == $screen->post_type ){
$title = 'Enter New Placeholder text';
}
return $title;
}
add_filter( 'enter_title_here', 'hex_change_default_title' );
