diff --git a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ExtensionPropertyLookupConfiguration.cs b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ExtensionPropertyLookupConfiguration.cs
index 42eaa46da1..3c2907d633 100644
--- a/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ExtensionPropertyLookupConfiguration.cs
+++ b/framework/src/Volo.Abp.ObjectExtending/Volo/Abp/ObjectExtending/Modularity/ExtensionPropertyLookupConfiguration.cs
@@ -5,9 +5,25 @@ namespace Volo.Abp.ObjectExtending.Modularity
     public class ExtensionPropertyLookupConfiguration
     {
         public string Url { get; set; }
+        
+        /// <summary>
+        /// Default value: "items".
+        /// </summary>
         public string ResultListPropertyName { get; set; } = "items";
+        
+        /// <summary>
+        /// Default value: "text".
+        /// </summary>
         public string DisplayPropertyName { get; set; } = "text";
+
+        /// <summary>
+        /// Default value: "id".
+        /// </summary>
         public string ValuePropertyName { get; set; } = "id";
+        
+        /// <summary>
+        /// Default value: "filter".
+        /// </summary>
         public string FilterParamName { get; set; } = "filter";
     }
 }
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