How to Add BCC to Email Notifications (for specific form)

/**

 * Add BCC recipients to specific form email notifications.

 *

 * @link https://wpforms.com/docs/how-to-add-bcc-to-email-notifications/

 */

add_filter( 'wp_mail', function ( $args ) {

// Use WPForms_Process object to get the form ID

$wpforms_process = wpforms()->process;

// Only run this snippet on form ID 1000

if ( $wpforms_process->form_data['id'] == 1000 ) {

    // Add the BCC email address here

    $bcc_address = 'Bcc: [email protected]';

    if ( ! empty( $args[ 'headers' ] ) ) {

        if ( ! is_array( $args[ 'headers' ] ) ) {

            $args[ 'headers' ] = array_filter( explode( "\n", str_replace( "\r\n", "\n", $args[ 'headers' ] ) ) );

        }

    } else {

        $args[ 'headers' ] = [];

    }

    $args[ 'headers' ][] = $bcc_address;

}

return $args;

});