Merge branch 'main' of https://github.com/dotnet/aspnetcore into safi…

…a/valid-jsonoptions

src/Validation/src/ValidatableTypeInfo.cs

@@ -113,7 +113,7 @@ public virtual async Task ValidateAsync(object? value, ValidateContext context,
                             var key = string.IsNullOrEmpty(originalPrefix) ?
                                 formattedMemberName :
                                 $"{originalPrefix}.{formattedMemberName}";
-                            context.AddOrExtendValidationError(key, validationResult.ErrorMessage);
+                            context.AddOrExtendValidationError(memberName, key, validationResult.ErrorMessage, value);
                         }
 
                         if (!validationResult.MemberNames.Any())

src/Validation/src/ValidateContext.cs

@@ -108,7 +108,12 @@ internal JsonSerializerOptions? SerializerOptions
         return serializerProp.GetValue(jsonOptions) as JsonSerializerOptions;
     }
 
-    internal void AddValidationError(string key, string[] error)
+    /// <summary>
+    /// Optional event raised when a validation error is reported.
+    /// </summary>
+    public event Action<ValidationErrorContext>? OnValidationError;
+
+    internal void AddValidationError(string propertyName, string key, string[] error, object? container)
     {
         ValidationErrors ??= [];
         ValidationErrors[key] = error;