From 3e10829bf2eb2c27b3b50f235ebfd3384f2a470b Mon Sep 17 00:00:00 2001
From: Oleksii Zotov <oleksiizotov06@gmail.com>
Date: Thu, 16 Jul 2026 02:51:18 +0200
Subject: [PATCH 1/2] Add SlashCommandIgnoreAttribute for hiding enum values
 from slash commands

Closes #330
---
 .../SlashCommandIgnoreAttribute.cs            | 10 ++++++
 .../SlashCommandEnumTypeReader.cs             |  5 +--
 .../ChoicesAndAutocompleteTests.cs            | 35 +++++++++++++++++++
 3 files changed, 48 insertions(+), 2 deletions(-)
 create mode 100644 NetCord.Services/ApplicationCommands/SlashCommandIgnoreAttribute.cs

diff --git a/NetCord.Services/ApplicationCommands/SlashCommandIgnoreAttribute.cs b/NetCord.Services/ApplicationCommands/SlashCommandIgnoreAttribute.cs
new file mode 100644
index 000000000..4339b9dcd
--- /dev/null
+++ b/NetCord.Services/ApplicationCommands/SlashCommandIgnoreAttribute.cs
@@ -0,0 +1,10 @@
+namespace NetCord.Services.ApplicationCommands;
+
+/// <summary>
+/// Specifies that an enum value should be ignored and not shown as an option in slash commands.
+/// Apply this attribute to enum fields that should not be presented to users as choices.
+/// </summary>
+[AttributeUsage(AttributeTargets.Field)]
+public class SlashCommandIgnoreAttribute : Attribute
+{
+}
diff --git a/NetCord.Services/EnumTypeReaders/SlashCommandEnumTypeReader.cs b/NetCord.Services/EnumTypeReaders/SlashCommandEnumTypeReader.cs
index 082c14cbc..3880428ad 100644
--- a/NetCord.Services/EnumTypeReaders/SlashCommandEnumTypeReader.cs
+++ b/NetCord.Services/EnumTypeReaders/SlashCommandEnumTypeReader.cs
@@ -24,10 +24,11 @@ public bool TryRead(ReadOnlyMemory<char> input, [MaybeNullWhen(false)] out objec
     {
         var localizationsProvider = parameter.LocalizationsProvider;
 
-        var count = fields.Length;
+        var filteredFields = fields.Where(f => f.GetCustomAttribute<SlashCommandIgnoreAttribute>() is null).ToArray();
+        var count = filteredFields.Length;
         var choices = new ApplicationCommandOptionChoiceProperties[count];
         for (var i = 0; i < count; i++)
-            choices[i] = await CreateChoiceAsync(fields[i]).ConfigureAwait(false);
+            choices[i] = await CreateChoiceAsync(filteredFields[i]).ConfigureAwait(false);
 
         return choices;
 
diff --git a/Tests/ServicesTest/ChoicesAndAutocompleteTests.cs b/Tests/ServicesTest/ChoicesAndAutocompleteTests.cs
index 2ffdb0df0..11eccd6da 100644
--- a/Tests/ServicesTest/ChoicesAndAutocompleteTests.cs
+++ b/Tests/ServicesTest/ChoicesAndAutocompleteTests.cs
@@ -274,4 +274,39 @@ public void TestAutocompleteNotSupported()
                 ([SlashCommandParameter(AutocompleteProviderType = typeof(TestAutocompleteProvider))] int i) => { }));
         });
     }
+
+    private enum TestEnumWithIgnoredValues
+    {
+        Value1,
+        [SlashCommandIgnore]
+        Value2,
+        Value3,
+    }
+
+    [TestMethod]
+    public async Task TestEnumIgnoreAttribute()
+    {
+        var service = CreateService();
+
+        service.AddSlashCommand(new SlashCommandBuilder(
+            "test",
+            "Test",
+            (TestEnumWithIgnoredValues e) => { }));
+
+        var command = (SlashCommandInfo<ApplicationCommandContext>)service.GetCommands().Single();
+
+        var parameter = command.Parameters.Single();
+
+        Assert.IsNotNull(parameter.ChoicesProvider);
+
+        var choices = await parameter.ChoicesProvider.GetChoicesAsync(parameter);
+
+        Assert.IsNotNull(choices);
+
+        var choicesList = choices.ToList();
+
+        Assert.AreEqual(2, choicesList.Count);
+        Assert.AreEqual("Value1", choicesList[0].Name);
+        Assert.AreEqual("Value3", choicesList[1].Name);
+    }
 }

From b7503f54fb64ef3957a6db2d933a2733a3c9233d Mon Sep 17 00:00:00 2001
From: Oleksii Zotov <oleksiizotov06@gmail.com>
Date: Thu, 16 Jul 2026 16:07:43 +0200
Subject: [PATCH 2/2] Fix CA2007: Add ConfigureAwait(false)

---
 Tests/ServicesTest/ChoicesAndAutocompleteTests.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Tests/ServicesTest/ChoicesAndAutocompleteTests.cs b/Tests/ServicesTest/ChoicesAndAutocompleteTests.cs
index 11eccd6da..b911e04aa 100644
--- a/Tests/ServicesTest/ChoicesAndAutocompleteTests.cs
+++ b/Tests/ServicesTest/ChoicesAndAutocompleteTests.cs
@@ -299,7 +299,7 @@ public async Task TestEnumIgnoreAttribute()
 
         Assert.IsNotNull(parameter.ChoicesProvider);
 
-        var choices = await parameter.ChoicesProvider.GetChoicesAsync(parameter);
+        var choices = await parameter.ChoicesProvider.GetChoicesAsync(parameter).ConfigureAwait(false);
 
         Assert.IsNotNull(choices);