diff --git a/src/clients/Elsa.Api.Client/Resources/WorkflowDefinitions/Models/ArgumentDefinition.cs b/src/clients/Elsa.Api.Client/Resources/WorkflowDefinitions/Models/ArgumentDefinition.cs
index 31e2bd246..730cbec3e 100644
--- a/src/clients/Elsa.Api.Client/Resources/WorkflowDefinitions/Models/ArgumentDefinition.cs
+++ b/src/clients/Elsa.Api.Client/Resources/WorkflowDefinitions/Models/ArgumentDefinition.cs
@@ -34,4 +34,9 @@ public abstract class ArgumentDefinition
     /// The category to which this input belongs.
     /// </summary>
     public string Category { get; set; } = default!;
+    
+    /// <summary>
+    /// The type name of the variable, including the array indicator.
+    /// </summary>
+    public string GetTypeDisplayName() => IsArray ? $"{Type}[]" : Type;
 }
\ No newline at end of file
diff --git a/src/clients/Elsa.Api.Client/Resources/WorkflowDefinitions/Models/UIHintDescriptor.cs b/src/clients/Elsa.Api.Client/Resources/WorkflowDefinitions/Models/UIHintDescriptor.cs
new file mode 100644
index 000000000..600690eb3
--- /dev/null
+++ b/src/clients/Elsa.Api.Client/Resources/WorkflowDefinitions/Models/UIHintDescriptor.cs
@@ -0,0 +1,9 @@
+namespace Elsa.Api.Client.Resources.WorkflowDefinitions.Models;
+
+/// <summary>
+/// Represents a UI hint.
+/// </summary>
+/// <param name="Name">The name of the UI hint.</param>
+/// <param name="DisplayName">The display name of the UI hint.</param>
+/// <param name="Description">The description of the UI hint.</param>
+public record UIHintDescriptor(string Name, string DisplayName, string? Description);
\ No newline at end of file