### [wpforms_entry_csv_attachment_include_hidden](https://wpforms.com/developers/wpforms_entry_csv_attachment_include_hidden/) **Published:** September 29, 2025 **Author:** Umair Majeed **Content:** ## Description The `wpforms_entry_csv_attachment_include_hidden` filter controls whether hidden fields are included in entry CSV exports. By default, hidden fields are excluded. This applies to fields created with the Hidden Field form field as well as deleted fields that were previously part of the form. parametertypedescription`$include_hidden`boolWhether to include hidden fields in CSV exports. Default is false.## Source `wpforms\src\Pro\Admin\Builder\Notifications\Advanced\EntryCsvAttachment.php` ## Example ``` /** * Include hidden fields in entry exports. */ add_filter( 'wpforms_entry_csv_attachment_include_hidden', '__return_true' ); ``` ## Reference Article - [How to Display Hidden Fields in Entry Exports](https://wpforms.com/developers/how-to-display-hidden-fields-in-entry-exports/) **Categories:** Filters Hooks ---