diff --git a/.gitignore b/.gitignore
index 05bfcc3..878aae1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -229,6 +229,9 @@ _pkginfo.txt
 # but keep track of directories ending in .cache
 !?*.[Cc]ache/
 
+##sln
+*.sln
+
 # Others
 ClientBin/
 ~$*
diff --git a/SiemensIXBlazor.sln b/SiemensIXBlazor.sln
index 1d52acf..ba13dae 100644
--- a/SiemensIXBlazor.sln
+++ b/SiemensIXBlazor.sln
@@ -1,4 +1,4 @@
-
+
 Microsoft Visual Studio Solution File, Format Version 12.00
 # Visual Studio Version 17
 VisualStudioVersion = 17.4.33205.214
diff --git a/SiemensIXBlazor/Components/CategoryFilter/CategoryFilter.razor.cs b/SiemensIXBlazor/Components/CategoryFilter/CategoryFilter.razor.cs
index 60da13b..05815ed 100644
--- a/SiemensIXBlazor/Components/CategoryFilter/CategoryFilter.razor.cs
+++ b/SiemensIXBlazor/Components/CategoryFilter/CategoryFilter.razor.cs
@@ -10,6 +10,7 @@
 using Microsoft.AspNetCore.Components;
 using Microsoft.JSInterop;
 using Newtonsoft.Json;
+using SiemensIXBlazor.Enums.CategoryFilter;
 using SiemensIXBlazor.Interops;
 using SiemensIXBlazor.Objects;
 using System.Text.Json;
@@ -24,6 +25,7 @@ public partial class CategoryFilter
         private string[] _suggestions = [];
         private Lazy<Task<IJSObjectReference>>? moduleTask;
         private BaseInterop? _interop;
+        private LogicalFilterOperator  _logicalFilterOperator = LogicalFilterOperator.Equal;
 
         [Parameter, EditorRequired]
         public string Id { get; set; } = string.Empty;
@@ -41,8 +43,12 @@ public FilterState? FilterState
             get => _filterState;
             set
             {
-                _filterState = value;
-                InitialParameter("setFilterState", _filterState);
+                if(value is not null)
+                {
+                    _filterState = value;
+                    InitialParameter("setFilterState", _filterState);
+                }
+
             }
         }
         [Parameter]
@@ -80,6 +86,15 @@ public string[]? Suggestions
                 InitialParameter("setSuggestions", new Dictionary<string, string[]> { { "suggestions", _suggestions } });
             }
         }
+
+        [Parameter]
+        public LogicalFilterOperator StaticOperator { 
+            get=>_logicalFilterOperator; 
+            set {
+
+                _logicalFilterOperator = value;
+                InitialParameter("setStaticOperator", _logicalFilterOperator.ToEnumString());
+            } }
         [Parameter]
         public EventCallback<FilterState> FilterChangedEvent { get; set; }
         [Parameter]
@@ -130,5 +145,6 @@ private void InitialParameter(string functionName, object param)
                 }
             });
         }
+
     }
 }
diff --git a/SiemensIXBlazor/Enums/CategoryFilter/LogicalFilterEnumExtension.cs b/SiemensIXBlazor/Enums/CategoryFilter/LogicalFilterEnumExtension.cs
new file mode 100644
index 0000000..5656729
--- /dev/null
+++ b/SiemensIXBlazor/Enums/CategoryFilter/LogicalFilterEnumExtension.cs
@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SiemensIXBlazor.Enums.CategoryFilter
+{
+    public static class LogicalFilterEnumExtension
+    {
+        public static string ToEnumString(this LogicalFilterOperator filter)
+        {
+            return filter switch
+            {
+                LogicalFilterOperator.Equal => "Equal",
+                LogicalFilterOperator.NotEqual => "Not equal",
+                _ => throw new ArgumentOutOfRangeException(nameof(filter), filter, null)
+            };
+        }
+    }
+}
diff --git a/SiemensIXBlazor/Enums/CategoryFilter/LogicalFiterOperator.cs b/SiemensIXBlazor/Enums/CategoryFilter/LogicalFiterOperator.cs
new file mode 100644
index 0000000..31a36fa
--- /dev/null
+++ b/SiemensIXBlazor/Enums/CategoryFilter/LogicalFiterOperator.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SiemensIXBlazor.Enums.CategoryFilter
+{
+    public enum LogicalFilterOperator
+    {
+        Equal,
+        NotEqual
+    }
+}
diff --git a/SiemensIXBlazor/SiemensIXBlazor.csproj b/SiemensIXBlazor/SiemensIXBlazor.csproj
index db01cfc..58cdd9f 100644
--- a/SiemensIXBlazor/SiemensIXBlazor.csproj
+++ b/SiemensIXBlazor/SiemensIXBlazor.csproj
@@ -65,7 +65,6 @@
 
 	<ItemGroup>
 		<Folder Include="wwwroot\js\siemens-ix\" />
-		<Folder Include="wwwroot\js\interops\" />
 		<Folder Include="Components\KeyValueList\" />
 		<Folder Include="Components\KeyValue\" />
 		<Folder Include="Components\EmptyState\" />
diff --git a/SiemensIXBlazor/wwwroot/js/siemens-ix/interops/categoryFilterInterop.js b/SiemensIXBlazor/wwwroot/js/siemens-ix/interops/categoryFilterInterop.js
index e8f519c..f7fe765 100644
--- a/SiemensIXBlazor/wwwroot/js/siemens-ix/interops/categoryFilterInterop.js
+++ b/SiemensIXBlazor/wwwroot/js/siemens-ix/interops/categoryFilterInterop.js
@@ -54,3 +54,15 @@ export function setSuggestions(id, suggestionsObject) {
     console.error("Failed to set suggestions:", error);
   }
 }
+
+export function setStaticOperator(id, logicalFilter) {
+    try {
+        const element = document.getElementById(id);
+        if (!element) {
+            throw new Error(`Element with ID ${id} not found`);
+        }
+        element.staticOperator = JSON.parse(logicalFilter);
+    } catch (err) {
+        console.error("Failed on setting staticOperator", err);
+    }
+}