added update sent. No idea if it works

lib/db_helper.dart

@@ -63,6 +63,13 @@ class DBHelper {
     );
   }
 
+  // function to update the sent value
+  Future<void> updateSent() async {
+    var placeDBClient = await placeDB;
+
+    placeDBClient.update('place', true as Map<String, Object?>, where: 'CID = ?', whereArgs: ['CID']);
+  }
+
   // same thing as before but with templatews
   Future<void> addTemplate(Map<String, dynamic> templates) async {
     var placeDBClient = await placeDB;
@@ -95,6 +102,7 @@ class DBHelper {
     );
   }
 
+
   // get the finished entries from db
   Future<List<Map<String, dynamic>>> getPlace() async {
     var placeDBClient = await placeDB;