diff --git a/Pilz.Plugins.Advanced.UI.Telerik/PluginModule.cs b/Pilz.Plugins.Advanced.UI.Telerik/PluginModule.cs
index b321e58..a54ebb5 100644
--- a/Pilz.Plugins.Advanced.UI.Telerik/PluginModule.cs
+++ b/Pilz.Plugins.Advanced.UI.Telerik/PluginModule.cs
@@ -24,9 +24,9 @@ public abstract class PluginModule : PluginModule<PluginModuleUI>
     {
     }
 
-    public override void ShowUI(PluginFunctionParameter parameter)
+    public override void ShowUI(PluginFunctionParameter? @params)
     {
-        if (CreateNewUI(parameter) is PluginModuleUI ui)
+        if (CreateNewUI(@params) is PluginModuleUI ui)
         {
             ui.BackColor = Color.Transparent;
             DialogBase.Show(ui, Name!, SvgImage!.ToImage().ToIcon()!);
diff --git a/Pilz.Plugins.Advanced.UI/PluginModule.cs b/Pilz.Plugins.Advanced.UI/PluginModule.cs
index 8da9b38..4ebc214 100644
--- a/Pilz.Plugins.Advanced.UI/PluginModule.cs
+++ b/Pilz.Plugins.Advanced.UI/PluginModule.cs
@@ -31,16 +31,26 @@ public abstract class PluginModule<TPluginModuleUI> : PluginModuleBase where TPl
     {
     }
 
-    public virtual void ShowUI(PluginFunctionParameter parameter)
+    public virtual void ShowUI()
+    {
+        ShowUI(null);
+    }
+
+    public virtual void ShowUI(PluginFunctionParameter? @params)
     {
     }
 
-    public virtual TPluginModuleUI CreateUI(PluginFunctionParameter parameter)
+    public virtual TPluginModuleUI CreateUI()
     {
-        var ui = CreateNewUI(parameter);
+        return CreateUI(null);
+    }
+
+    public virtual TPluginModuleUI CreateUI(PluginFunctionParameter? @params)
+    {
+        var ui = CreateNewUI(@params);
         OnUICreated?.Invoke(this, ui);
         return ui;
     }
 
-    protected abstract TPluginModuleUI CreateNewUI(PluginFunctionParameter parameter);
+    protected abstract TPluginModuleUI CreateNewUI(PluginFunctionParameter? @params);
 }
\ No newline at end of file