diff --git a/TIAMSharedUI/Pages/User/SysAdmins/TransferToDriverGridComponent.razor b/TIAMSharedUI/Pages/User/SysAdmins/TransferToDriverGridComponent.razor
index 6c230d0a..3eb0b3f5 100644
--- a/TIAMSharedUI/Pages/User/SysAdmins/TransferToDriverGridComponent.razor
+++ b/TIAMSharedUI/Pages/User/SysAdmins/TransferToDriverGridComponent.razor
@@ -219,7 +219,7 @@
     private Task LoadComboBoxItems()
     {
         //TODO: CarModelDtoMin-t megcsinálni és azt lekérni a ComboBox-hoz! - J.
-        return AdminSignalRClient.GetAllCarsAndDriversByProductIdAsync(_cars, _drivers, TiamConstClient.TransferProductId, StateHasChanged);
+        return AdminSignalRClient.GetAllCarsAndDriversByProductIdAsync(TiamConstClient.TransferProductId, _cars, _drivers, StateHasChanged);
     }
 
     private void DataItemChanged(GridDataItemChangedEventArgs<TransferToDriver> args)
diff --git a/TIAMWebApp/Shared/Services/AdminSignalRClient.cs b/TIAMWebApp/Shared/Services/AdminSignalRClient.cs
index b7528428..36e90108 100644
--- a/TIAMWebApp/Shared/Services/AdminSignalRClient.cs
+++ b/TIAMWebApp/Shared/Services/AdminSignalRClient.cs
@@ -43,9 +43,9 @@ namespace TIAMWebApp.Shared.Application.Services
             return await GetAllAsync<List<Car>>(SignalRTags.GetAllCarsByProductId, [productId]) ?? [];
         }
 
-        public Task GetAllCarsAndDriversByProductIdAsync(List<Car> intoCars, List<UserProductMapping> intoDrivers, Guid productId, Action? callback = null)
+        public Task GetAllCarsAndDriversByProductIdAsync(Guid productId, List<Car> intoCars, List<UserProductMapping> intoDrivers, Action? callback = null)
         {
-            return GetAllCarsByProductIdAsync(intoCars, productId, () =>
+            return GetAllCarsByProductIdAsync(productId, intoCars, () =>
             {
                 intoDrivers.Clear();
                 intoDrivers.AddRange(intoCars.DistinctBy(x => x.UserProductMappingId).Select(x => x.UserProductMapping));
@@ -54,7 +54,7 @@ namespace TIAMWebApp.Shared.Application.Services
             });
         }
 
-        public Task GetAllCarsByProductIdAsync(List<Car> intoCars, Guid productId, Action? callback = null)
+        public Task GetAllCarsByProductIdAsync(Guid productId, List<Car> intoCars, Action? callback = null)
         {
             Logger.Detail($"GetAllCarsByProductIdAsync client called; productId: {productId}");
             
diff --git a/Tiam.Services.Client.Tests/SignalRClientTest.cs b/Tiam.Services.Client.Tests/SignalRClientTest.cs
index 53fc458a..25709da6 100644
--- a/Tiam.Services.Client.Tests/SignalRClientTest.cs
+++ b/Tiam.Services.Client.Tests/SignalRClientTest.cs
@@ -7,9 +7,11 @@ using Azure;
 using DevExpress.Data.Filtering;
 using DevExpress.Data.Linq;
 using DevExpress.Data.Linq.Helpers;
+using TIAM.Core.Consts;
 using TIAM.Core.Enums;
 using TIAM.Core.Loggers;
 using TIAM.Database.Test;
+using TIAM.Entities.Drivers;
 using TIAM.Entities.ServiceProviders;
 using TIAM.Entities.Transfers;
 using TIAM.Entities.Users;
@@ -28,11 +30,13 @@ namespace Tiam.Services.Client.Tests
 
         [TestInitialize]
         public void TestInitialize()
-        { }
+        {
+        }
 
         [TestCleanup]
         public void TearDown()
-        { }
+        {
+        }
 
         [DataTestMethod]
         [DataRow(CompanyIdString)]
@@ -130,7 +134,7 @@ namespace Tiam.Services.Client.Tests
             transferDest.Address.AddressText = modifiedAddress;
 
             transferDest = await _signalRClient.PostDataAsync(SignalRTags.UpdateTransferDestination, transferDest);
-            
+
             Assert.IsNotNull(transferDest);
             Assert.IsNotNull(transferDest.Address);
 
@@ -176,12 +180,12 @@ namespace Tiam.Services.Client.Tests
             var transferDestinationToProducts = await _signalRClient.GetByIdAsync<List<TransferDestinationToProduct>>(SignalRTags.GetTransferDestinationToProductsByTransferDestinationId, transferDestId);
             Assert.IsNotNull(transferDestinationToProducts);
             Assert.IsTrue(transferDestinationToProducts.Count > 0);
-            Assert.IsTrue(transferDestinationToProducts.All(x=>x.TransferDestinationId == transferDestId));
+            Assert.IsTrue(transferDestinationToProducts.All(x => x.TransferDestinationId == transferDestId));
 
             transferDestinationToProducts = await _signalRClient.GetByIdAsync<List<TransferDestinationToProduct>>(SignalRTags.GetTransferDestinationToProductsByProductId, productId);
             Assert.IsNotNull(transferDestinationToProducts);
             Assert.IsTrue(transferDestinationToProducts.Count > 0);
-            Assert.IsTrue(transferDestinationToProducts.All(x=>x.ProductId == productId));
+            Assert.IsTrue(transferDestinationToProducts.All(x => x.ProductId == productId));
 
             await _signalRClient.PostDataAsync(SignalRTags.RemoveTransferDestinationToProduct, transferDestinationToProduct); //mielõbb kitöröljük, h ne maradjon szemét a db-ben - J.
 
@@ -199,16 +203,16 @@ namespace Tiam.Services.Client.Tests
             var criteriaString = CriteriaOperator.FromLambda<Transfer>(x => x.UserId == userId && statuses.Contains(x.TransferStatusType)).ToString();
 
             //var criteria = CriteriaOperator.Parse(criteriaString);
-            
+
             //_signalRDataSource.AsQueryable().Expression.
             //var filteredData = new List<Transfer>().AsQueryable().AppendWhere(converter, criteria) as IQueryable<Transfer>;
 
-            var transfers = await _signalRClient.GetAllAsync<List<Transfer>>(SignalRTags.GetTransfersByFilterText, [criteriaString]);
+            var transfers = await _signalRClient.GetTransfersByFilterText(criteriaString);
             //var transfers = await _signalRClient.GetAllAsync<List<Transfer>>(SignalRTags.GetTransfersByExpression, [userId, filteredData!.Expression]);
 
             Assert.IsNotNull(transfers);
             Assert.IsTrue(transfers.Count > 0);
-            Assert.IsTrue(transfers.All(x=>statuses.Contains(x.TransferStatusType)));
+            Assert.IsTrue(transfers.All(x => statuses.Contains(x.TransferStatusType)));
 
             //var converter = new CriteriaToExpressionConverter();
             ////CriteriaOperator critOps = CriteriaOperator.Parse(tdashboard.EmployeeFilter);
@@ -227,5 +231,46 @@ namespace Tiam.Services.Client.Tests
             //Assert.IsNotNull(filteredTransfers);
             //Assert.IsTrue(filteredTransfers.All(x => x.LuggageCount == 1));
         }
+
+        [TestMethod]
+        public async Task GetAllTransfersTest_ReturnTransfers_WhenHasTransfers()
+        {
+            var transfers = await _signalRClient.GetTransfers();
+
+            Assert.IsNotNull(transfers);
+            Assert.IsTrue(transfers.Count > 0);
+        }
+
+        [TestMethod]
+        [DataRow("540271F6-C604-4C16-8160-D5A7CAFEDF00")]
+        public async Task GetTransfersByUserIdTest_ReturnTransfers_WhenAllTransfersByUserId(string userIdString)
+        {
+            var userId = Guid.Parse(userIdString);
+            var transfers = await _signalRClient.GetTransfersByUserId(userId);
+
+            Assert.IsNotNull(transfers);
+
+            Assert.IsTrue(transfers.Count > 0);
+            Assert.IsTrue(transfers.All(x => x.UserId == userId));
+        }
+
+        [TestMethod]
+        [DataRow("")]
+        public async Task GetAllCarsAndDriversByProductIdAsyncTest_ReturnCarsAndDrivers_WhenHasCarsAndDrivers(string productIdString)
+        {
+            var cars = new List<Car>();
+            var drivers = new List<UserProductMapping>();
+            var productId = TiamConstClient.TransferProductId; //Guid.Parse(productIdString);
+
+            await _signalRClient.GetAllCarsAndDriversByProductIdAsync(productId, cars, drivers);
+
+            await TaskHelper.WaitToAsync(() => drivers.Count > 0, 5000, 50);
+
+            Assert.IsTrue(cars.Count > 0);
+            Assert.IsTrue(drivers.Count > 0);
+
+            Assert.IsTrue(cars.All(car => drivers.Any(driver => driver.Id == car.UserProductMappingId && driver.ProductId == productId)));
+            Assert.IsTrue(drivers.All(driver => driver.ProductId == productId && cars.Any(car => car.UserProductMappingId == driver.Id)));
+        }
     }
 }
\ No newline at end of file