Conditionally Send Notification with ACF Advanced Forms

<?php
/**
 * conditionally send notification emails based on permit type
 *
 * @link https://advancedforms.github.io/filters/af-form-email-recipient/
 * @link https://advancedforms.github.io/filters/af-form-email-content/
 *
 */
function filter_email_content( $content, $email, $form, $fields ) {

     // get permit type from application and check name of email
     $permit_type = af_get_field( 'wd_permit_application_type' );
     $email_name = $email['name'];
     $email_value = print_r( $email );

     // check if permit type and email name match
     if( $email_name == 'User Notice' ) {

          // emtpy out content
          $content = '';

          // loop over permit types user has set in "Site Options"
          if ( have_rows( 'wd_options_permits', 'option' ) ) :
          	while ( have_rows( 'wd_options_permits', 'option' ) ) : the_row();

                    // get permit name set for each options
                    $permit_name = get_sub_field( 'wd_permit_name' );

                    // compare permit name in "Site Options" with permit name from application and attach content if they match
                    if( $permit_type['label'] == $permit_name ) {
                         $content .= get_sub_field( 'email_notification_content' );
                    }

          	endwhile;
          endif;
     }

     return $content;

}
add_filter( 'af/form/email/content/key=form_5f1af8ee58176', 'filter_email_content', 10, 4 );