diff --git a/src/modules/Elsa.Workflows.Core/UIHints/InputUIHints.cs b/src/modules/Elsa.Workflows.Core/UIHints/InputUIHints.cs
index f1f753867..8465e1bbf 100644
--- a/src/modules/Elsa.Workflows.Core/UIHints/InputUIHints.cs
+++ b/src/modules/Elsa.Workflows.Core/UIHints/InputUIHints.cs
@@ -14,6 +14,7 @@ public static class InputUIHints
     public const string DropDown = "dropdown";
     public const string MultiText = "multitext";
     public const string CodeEditor = "code-editor";
+    public const string ExpressionEditor = "expression-editor";
     public const string VariablePicker = "variable-picker";
     public const string TypePicker = "type-picker";
     public const string WorkflowDefinitionPicker = "workflow-definition-picker";