diff --git a/src/Squidex.Domain.Apps.Core.Model/Schemas/FieldProperties.cs b/src/Squidex.Domain.Apps.Core.Model/Schemas/FieldProperties.cs
index b314ce28b..36ae3e210 100644
--- a/src/Squidex.Domain.Apps.Core.Model/Schemas/FieldProperties.cs
+++ b/src/Squidex.Domain.Apps.Core.Model/Schemas/FieldProperties.cs
@@ -5,6 +5,8 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
+using System.Collections.ObjectModel;
+
 namespace Squidex.Domain.Apps.Core.Schemas
 {
     public abstract class FieldProperties : NamedElementPropertiesBase
@@ -19,6 +21,8 @@ namespace Squidex.Domain.Apps.Core.Schemas
 
         public string EditorUrl { get; set; }
 
+        public ReadOnlyCollection<string> Tags { get; set; }
+
         public abstract T Accept<T>(IFieldPropertiesVisitor<T> visitor);
 
         public abstract T Accept<T>(IFieldVisitor<T> visitor, IField field);
diff --git a/src/Squidex.Domain.Apps.Core.Model/Schemas/SchemaProperties.cs b/src/Squidex.Domain.Apps.Core.Model/Schemas/SchemaProperties.cs
index eebe181e1..be1851488 100644
--- a/src/Squidex.Domain.Apps.Core.Model/Schemas/SchemaProperties.cs
+++ b/src/Squidex.Domain.Apps.Core.Model/Schemas/SchemaProperties.cs
@@ -5,9 +5,12 @@
 //  All rights reserved. Licensed under the MIT license.
 // ==========================================================================
 
+using System.Collections.ObjectModel;
+
 namespace Squidex.Domain.Apps.Core.Schemas
 {
     public sealed class SchemaProperties : NamedElementPropertiesBase
     {
+        public ReadOnlyCollection<string> Tags { get; set; }
     }
 }
\ No newline at end of file