diff --git a/DigitalData.Auth.Abstractions/DigitalData.Auth.Abstractions.csproj b/DigitalData.Auth.Abstractions/DigitalData.Auth.Abstractions.csproj
new file mode 100644
index 0000000..a06fc69
--- /dev/null
+++ b/DigitalData.Auth.Abstractions/DigitalData.Auth.Abstractions.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFrameworks>net7.0;net8.0</TargetFrameworks>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/DigitalData.Auth.Abstractions/IChatClient.cs b/DigitalData.Auth.Abstractions/IChatClient.cs
new file mode 100644
index 0000000..73f5671
--- /dev/null
+++ b/DigitalData.Auth.Abstractions/IChatClient.cs
@@ -0,0 +1,8 @@
+namespace DigitalData.Auth.Abstractions;
+
+public interface IChatClient
+{
+    Task ReceiveMessage(string user, string message);
+
+    Task<string> GetMessage();
+}
\ No newline at end of file
diff --git a/DigitalData.Auth.Tests/DigitalData.Auth.Tests.csproj b/DigitalData.Auth.Tests/DigitalData.Auth.Tests.csproj
index 78acc89..99e91b7 100644
--- a/DigitalData.Auth.Tests/DigitalData.Auth.Tests.csproj
+++ b/DigitalData.Auth.Tests/DigitalData.Auth.Tests.csproj
@@ -9,6 +9,12 @@
     <IsTestProject>true</IsTestProject>
   </PropertyGroup>
 
+  <ItemGroup>
+    <Compile Remove="NewFolder\**" />
+    <EmbeddedResource Remove="NewFolder\**" />
+    <None Remove="NewFolder\**" />
+  </ItemGroup>
+
   <ItemGroup>
     <PackageReference Include="coverlet.collector" Version="6.0.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
@@ -19,7 +25,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\DigitalData.Auth.Client\DigitalData.Auth.Client.csproj" />
-    <ProjectReference Include="..\src\DigitalData.Auth.API\DigitalData.Auth.API.csproj" />
   </ItemGroup>
 
   <ItemGroup>
diff --git a/DigitalData.Auth.sln b/DigitalData.Auth.sln
index 5f2af87..ceb41bd 100644
--- a/DigitalData.Auth.sln
+++ b/DigitalData.Auth.sln
@@ -7,9 +7,11 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{C0123B52-516
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DigitalData.Auth.API", "src\DigitalData.Auth.API\DigitalData.Auth.API.csproj", "{1AF05BC2-6F15-420A-85F6-E6F8740CD557}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.Auth.Client", "DigitalData.Auth.Client\DigitalData.Auth.Client.csproj", "{521A2BC0-AEA8-4500-AAA9-1951556EDF9F}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DigitalData.Auth.Client", "DigitalData.Auth.Client\DigitalData.Auth.Client.csproj", "{521A2BC0-AEA8-4500-AAA9-1951556EDF9F}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.Auth.Tests", "DigitalData.Auth.Tests\DigitalData.Auth.Tests.csproj", "{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "DigitalData.Auth.Tests", "DigitalData.Auth.Tests\DigitalData.Auth.Tests.csproj", "{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DigitalData.Auth.Abstractions", "DigitalData.Auth.Abstractions\DigitalData.Auth.Abstractions.csproj", "{09FF9BF0-25BB-4EB2-B1B2-6D2873B9538C}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -29,6 +31,10 @@ Global
 		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3}.Release|Any CPU.Build.0 = Release|Any CPU
+		{09FF9BF0-25BB-4EB2-B1B2-6D2873B9538C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{09FF9BF0-25BB-4EB2-B1B2-6D2873B9538C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{09FF9BF0-25BB-4EB2-B1B2-6D2873B9538C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{09FF9BF0-25BB-4EB2-B1B2-6D2873B9538C}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
@@ -37,6 +43,7 @@ Global
 		{1AF05BC2-6F15-420A-85F6-E6F8740CD557} = {C0123B52-5168-4C87-98A0-11A220EC392F}
 		{521A2BC0-AEA8-4500-AAA9-1951556EDF9F} = {C0123B52-5168-4C87-98A0-11A220EC392F}
 		{AF517FD9-3EBE-4452-AAEC-DFF17CC270E3} = {C0123B52-5168-4C87-98A0-11A220EC392F}
+		{09FF9BF0-25BB-4EB2-B1B2-6D2873B9538C} = {C0123B52-5168-4C87-98A0-11A220EC392F}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {4D163037-043C-41AE-AB94-C7314F2C38DA}