diff --git a/src/activities/webhooks/Elsa.Activities.Webhooks/ActivityTypes/WebhookActivityTypeProvider.cs b/src/activities/webhooks/Elsa.Activities.Webhooks/ActivityTypes/WebhookActivityTypeProvider.cs
index b39d91b75..c6748a573 100644
--- a/src/activities/webhooks/Elsa.Activities.Webhooks/ActivityTypes/WebhookActivityTypeProvider.cs
+++ b/src/activities/webhooks/Elsa.Activities.Webhooks/ActivityTypes/WebhookActivityTypeProvider.cs
@@ -70,7 +70,8 @@ namespace Elsa.Activities.Webhooks.ActivityTypes
                         0,
                         webhook.Path,
                         SyntaxNames.Literal,
-                        new[] { SyntaxNames.Literal }
+                        new[] { SyntaxNames.Literal },
+                        true
                         ),
                     new ActivityInputDescriptor(
                         nameof(HttpEndpoint.Methods),
diff --git a/src/core/Elsa.Abstractions/Metadata/ActivityInputDescriptor.cs b/src/core/Elsa.Abstractions/Metadata/ActivityInputDescriptor.cs
index 6d0542b64..5a19b7ab8 100644
--- a/src/core/Elsa.Abstractions/Metadata/ActivityInputDescriptor.cs
+++ b/src/core/Elsa.Abstractions/Metadata/ActivityInputDescriptor.cs
@@ -21,7 +21,8 @@ namespace Elsa.Metadata
             float order = 0,
             object? defaultValue = default,
             string? defaultSyntax = "Literal",
-            IEnumerable<string>? supportedSyntaxes = default)
+            IEnumerable<string>? supportedSyntaxes = default,
+            bool isReadonly = false)
         {
             Name = name;
             Type = type;
@@ -34,6 +35,7 @@ namespace Elsa.Metadata
             DefaultValue = defaultValue;
             DefaultSyntax = defaultSyntax;
             SupportedSyntaxes = supportedSyntaxes?.ToList() ?? new List<string>();
+            IsReadonly = isReadonly;
         }
 
         public string Name { get; set; } = default!;
@@ -47,5 +49,6 @@ namespace Elsa.Metadata
         public object? DefaultValue { get; set; }
         public string? DefaultSyntax { get; set; }
         public IList<string> SupportedSyntaxes { get; set; } = new List<string>();
+        public bool IsReadonly { get; set; }
     }
 }
\ No newline at end of file
diff --git a/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-check-list-property/elsa-check-list-property.tsx b/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-check-list-property/elsa-check-list-property.tsx
index 486b022a9..2c17c409d 100644
--- a/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-check-list-property/elsa-check-list-property.tsx
+++ b/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-check-list-property/elsa-check-list-property.tsx
@@ -23,6 +23,7 @@ export class ElsaCheckListProperty {
   }
 
   onCheckChanged(e: Event) {
+    debugger
     const checkbox = (e.target as HTMLInputElement);
     const checked = checkbox.checked;
     const value = checkbox.value;
@@ -46,7 +47,6 @@ export class ElsaCheckListProperty {
   }
 
   render() {
-
     const propertyDescriptor = this.propertyDescriptor;
     const propertyModel = this.propertyModel;
     const fieldId = propertyDescriptor.name;
diff --git a/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-checkbox-property/elsa-checkbox-property.tsx b/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-checkbox-property/elsa-checkbox-property.tsx
index f3841c587..9aea69fa3 100644
--- a/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-checkbox-property/elsa-checkbox-property.tsx
+++ b/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-checkbox-property/elsa-checkbox-property.tsx
@@ -33,7 +33,7 @@ export class ElsaCheckBoxProperty {
     const fieldId = propertyName;
     const fieldName = propertyName;
     const fieldLabel = propertyDescriptor.label || propertyName;
-    const isChecked = this.isChecked;
+    let isChecked = this.isChecked;
 
     return (
       <elsa-property-editor propertyDescriptor={propertyDescriptor}
diff --git a/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-single-line-property/elsa-single-line-property.tsx b/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-single-line-property/elsa-single-line-property.tsx
index 4041dc05f..3a8eeaba9 100644
--- a/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-single-line-property/elsa-single-line-property.tsx
+++ b/src/designer/elsa-workflows-studio/src/components/editors/properties/elsa-single-line-property/elsa-single-line-property.tsx
@@ -26,11 +26,11 @@ export class ElsaSingleLineProperty {
     this.currentValue = e.detail;
   }
 
-  render() {
-    
+  render() {    
     const propertyDescriptor = this.propertyDescriptor;
     const propertyModel = this.propertyModel;
     const propertyName = propertyDescriptor.name;
+    const readonly = propertyDescriptor.isReadonly;
     const fieldId = propertyName;
     const fieldName = propertyName;
     let value = this.currentValue;
@@ -46,7 +46,7 @@ export class ElsaSingleLineProperty {
                             onDefaultSyntaxValueChanged={e => this.onDefaultSyntaxValueChanged(e)}
                             editor-height="2.75em"
                             single-line={true}>
-        <input type="text" id={fieldId} name={fieldName} value={value} onChange={e => this.onChange(e)} class="focus:elsa-ring-blue-500 focus:elsa-border-blue-500 elsa-block elsa-w-full elsa-min-w-0 elsa-rounded-md sm:elsa-text-sm elsa-border-gray-300"/>
+        <input type="text" id={fieldId} name={fieldName} value={value} readonly={readonly} onChange={e => this.onChange(e)} class="focus:elsa-ring-blue-500 focus:elsa-border-blue-500 elsa-block elsa-w-full elsa-min-w-0 elsa-rounded-md sm:elsa-text-sm elsa-border-gray-300"/>
       </elsa-property-editor>
     );
   }
diff --git a/src/designer/elsa-workflows-studio/src/models/domain.ts b/src/designer/elsa-workflows-studio/src/models/domain.ts
index 976b6644b..ea175e988 100644
--- a/src/designer/elsa-workflows-studio/src/models/domain.ts
+++ b/src/designer/elsa-workflows-studio/src/models/domain.ts
@@ -271,7 +271,8 @@ export interface ActivityPropertyDescriptor {
   category?: string;
   defaultValue?: any;
   defaultSyntax?: string;
-  supportedSyntaxes: Array<string>
+  supportedSyntaxes: Array<string>;
+  isReadonly: boolean;
 }
 
 export interface PagedList<T> {