From 8a60d3c19aefbb99ac6247a6cc698e02528dca0f Mon Sep 17 00:00:00 2001
From: fansaien <fansaien@gmail.com>
Date: Tue, 19 Feb 2019 17:14:32 -0600
Subject: [PATCH] Fire backend.list.extendRecords event during export useList
 (#4148)

Provides an opportunity to modify and / or return the $results collection object before the controller exports it. Credit to @fansaien
---
 modules/backend/behaviors/ImportExportController.php | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/modules/backend/behaviors/ImportExportController.php b/modules/backend/behaviors/ImportExportController.php
index d54e90e6d..e9a0cf3bb 100644
--- a/modules/backend/behaviors/ImportExportController.php
+++ b/modules/backend/behaviors/ImportExportController.php
@@ -629,6 +629,11 @@ class ImportExportController extends ControllerBehavior
 
         $query = $widget->prepareQuery();
         $results = $query->get();
+        
+        if ($event = $widget->fireSystemEvent('backend.list.extendRecords', [&$results])) {
+            $results = $event;
+        }
+        
         foreach ($results as $result) {
             $record = [];
             foreach ($columns as $column) {