Update README.md

Author: vitorbarros

README.md

@@ -103,35 +103,12 @@ class YourController extends AbstractCrudController
 
   public function yourAction()
   {
-    $sql = "select
-              ev.event_data_inicio as data_evento,
-              en.end_cidade as cidade,
-              en.end_estado as estado,
-              COUNT(p.part_id) as participante,
-              us.user_nome as treinadora,
-              ca.cat_nome as modulo
-            from EventosRest\Entity\Participante as p
-            INNER JOIN Evento\Entity\Evento as ev
-            WITH p.evento_event_id = ev.event_id
-            INNER JOIN Evento\Entity\Endereco as en
-            WITH ev.endereco_end_id = en.end_id
-            INNER JOIN Evento\Entity\Categoria as ca
-            WITH ev.categoria_cat_id = ca.cat_id
-            INNER JOIN Evento\Entity\User as u 
-            WITH u.user_id = p.user_user_id
-            INNER JOIN Evento\Entity\Palestrante as pa
-            WITH pa.evento_event_id = p.evento_event_id
-            INNER JOIN Evento\Entity\User as us
-            WITH pa.user_user_id = us.user_id
-            GROUP BY cidade";
+    $sql = "Your query";
 
     $filePath = $this->customExportService->export($sql, array(
-        'data_evento',
-        'cidade',
-        'estado',
-        'participante',
-        'treinadora',
-        'modulo'
+        'your',
+        'header',
+        'fields'
     ), 'xls');
 
     return $this->redirect()->toUrl($filePath);