diff --git a/src/core/Elsa.Core/Activities/Primitives/Inline.cs b/src/core/Elsa.Core/Activities/Primitives/Inline.cs
index 8114d30d6..eb7892368 100644
--- a/src/core/Elsa.Core/Activities/Primitives/Inline.cs
+++ b/src/core/Elsa.Core/Activities/Primitives/Inline.cs
@@ -2,6 +2,7 @@
 using System.Threading;
 using System.Threading.Tasks;
 using Elsa.ActivityResults;
+using Elsa.Attributes;
 using Elsa.Services;
 using Elsa.Services.Models;
 
@@ -13,7 +14,10 @@ namespace Elsa.Activities.Primitives
     public class Inline : Activity
     {
         public Inline() => Function = context => new ValueTask<IActivityExecutionResult>(Done());
+        
+        [ActivityProperty]
         public Func<ActivityExecutionContext, ValueTask<IActivityExecutionResult>> Function { get; set; }
+        
         protected override ValueTask<IActivityExecutionResult> OnExecuteAsync(ActivityExecutionContext context, CancellationToken cancellationToken) => Function(context);
     }
 }
\ No newline at end of file