diff --git a/AyCode.Models/Users/AcUserModelDtoBase.cs b/AyCode.Models/Users/AcUserModelDtoBase.cs
index a27103e..6be7453 100644
--- a/AyCode.Models/Users/AcUserModelDtoBase.cs
+++ b/AyCode.Models/Users/AcUserModelDtoBase.cs
@@ -15,13 +15,16 @@ public abstract class AcUserModelDtoBase<TUserDto, TProfileDto, TCompany, TUserT
     where TProfileDto : class, IAcProfileDtoBase
     where TCompany : class, IAcCompanyBase
     where TUserToCompany : class, IAcUserToCompanyBase
-    //where TAddressDto : class, IAcAddressDtoBase
+//where TAddressDto : class, IAcAddressDtoBase
 {
-    public List<TCompany> ServiceProviders { get; set; }
-    public List<TUserToCompany> UserToServiceProviders { get; set; }
+    public List<TCompany> ServiceProviders { get; set; } = [];
+    public List<TUserToCompany> UserToServiceProviders { get; set; } = [];
 
 
-    protected AcUserModelDtoBase() {}
+    protected AcUserModelDtoBase()
+    {
+    }
+
     protected AcUserModelDtoBase(IAcUserDtoBase<TProfileDto, TCompany, TUserToCompany> user) : base(user)
     {
         ProfileDto.AddressId = user.Profile.AddressId;
@@ -32,7 +35,7 @@ public abstract class AcUserModelDtoBase<TUserDto, TProfileDto, TCompany, TUserT
         //így proxy error lesz... - J.
         //ServiceProviders = new List<TCompany>(user.ServiceProviders);
         //UserToServiceProviders = new List<TUserToServiceProvider>(user.UserToServiceProviders);
-        
+
         ServiceProviders = new List<TCompany>(user.ServiceProviders.Count);
         UserToServiceProviders = new List<TUserToCompany>(user.UserToServiceProviders.Count);