diff --git a/src/MaksIT.Core/MaksIT.Core.csproj b/src/MaksIT.Core/MaksIT.Core.csproj
index d28e5ee..7a10e75 100644
--- a/src/MaksIT.Core/MaksIT.Core.csproj
+++ b/src/MaksIT.Core/MaksIT.Core.csproj
@@ -8,7 +8,7 @@
 
     <!-- NuGet package metadata -->
     <PackageId>MaksIT.Core</PackageId>
-    <Version>1.1.4</Version>
+    <Version>1.1.5</Version>
     <Authors>Maksym Sadovnychyy</Authors>
     <Company>MAKS-IT</Company>
     <Product>MaksIT.Core</Product>
diff --git a/src/MaksIT.Core/Webapi/Models/PatchField.cs b/src/MaksIT.Core/Webapi/Models/PatchField.cs
new file mode 100644
index 0000000..e1242b1
--- /dev/null
+++ b/src/MaksIT.Core/Webapi/Models/PatchField.cs
@@ -0,0 +1,7 @@
+
+namespace MaksIT.Core.Webapi.Models;
+
+public class PatchField<T> {
+  public PatchOperation Operation { get; set; }
+  public T? Value { get; set; }
+}
diff --git a/src/MaksIT.Core/Webapi/Models/PatchOperation.cs b/src/MaksIT.Core/Webapi/Models/PatchOperation.cs
new file mode 100644
index 0000000..f1a1925
--- /dev/null
+++ b/src/MaksIT.Core/Webapi/Models/PatchOperation.cs
@@ -0,0 +1,8 @@
+namespace MaksIT.Core.Webapi.Models;
+
+public enum PatchOperation {
+  Replace,
+  Add,
+  Remove,
+  Clear // for collections
+}