diff --git a/FabAccessAPI/Class1.cs b/FabAccessAPI/FabAccessAPI.cs
similarity index 100%
rename from FabAccessAPI/Class1.cs
rename to FabAccessAPI/FabAccessAPI.cs
diff --git a/FabAccessAPI/FabAccessAPI.csproj b/FabAccessAPI/FabAccessAPI.csproj
index 19f37b3..8694283 100644
--- a/FabAccessAPI/FabAccessAPI.csproj
+++ b/FabAccessAPI/FabAccessAPI.csproj
@@ -2,6 +2,8 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
+    <LangVersion>9</LangVersion>
+    <Nullable>enable</Nullable>
   </PropertyGroup>
 
   <ItemGroup>
diff --git a/FabAccessAPI/schema b/FabAccessAPI/schema
index 53ff366..6efc524 160000
--- a/FabAccessAPI/schema
+++ b/FabAccessAPI/schema
@@ -1 +1 @@
-Subproject commit 53ff3665a9cb1563a343ef573fb4dbf0c8a98cad
+Subproject commit 6efc5243e2b0ea4b17d8acf63ee235a5f5238d5e