feature: V2 Permissions (#2222)

* Initial V2 permissions

* add perms-v2 attributes and properties, add deprecation messages

* add perms-v2 properties to command info classes

* add perms-v2 fields to Rest/SocketApplicationCommand entities and IApplicationCommand

* fix json name of DmPermission field

Co-authored-by: Cenngo <cenk.ergen1@gmail.com>

src/Discord.Net.Core/Entities/Interactions/ApplicationCommandProperties.cs

@@ -17,6 +17,16 @@ namespace Discord
         /// </summary>
         public Optional<bool> IsDefaultPermission { get; set; }
 
+        /// <summary>
+        ///     Gets or sets whether or not this command can be used in DMs.
+        /// </summary>
+        public Optional<bool> IsDMEnabled { get; set; }
+
+        /// <summary>
+        ///     Gets or sets the default permissions required by a user to execute this application command.
+        /// </summary>
+        public Optional<GuildPermission> DefaultMemberPermissions { get; set; }
+
         internal ApplicationCommandProperties() { }
     }
 }

src/Discord.Net.Core/Entities/Interactions/ContextMenus/MessageCommandBuilder.cs

@@ -31,6 +31,16 @@ namespace Discord
         /// </summary>
         public bool IsDefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets or sets whether or not this command can be used in DMs.
+        /// </summary>
+        public bool IsDMEnabled { get; set; } = true;
+
+        /// <summary>
+        ///     Gets or sets the default permission required to use this slash command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; }
+
         private string _name;
 
         /// <summary>
@@ -44,7 +54,9 @@ namespace Discord
             var props = new MessageCommandProperties
             {
                 Name = Name,
-                IsDefaultPermission = IsDefaultPermission
+                IsDefaultPermission = IsDefaultPermission,
+                IsDMEnabled = IsDMEnabled,
+                DefaultMemberPermissions = DefaultMemberPermissions ?? Optional<GuildPermission>.Unspecified
             };
 
             return props;
@@ -73,5 +85,27 @@ namespace Discord
             IsDefaultPermission = isDefaultPermission;
             return this;
         }
+
+        /// <summary>
+        ///     Sets whether or not this command can be used in dms
+        /// </summary>
+        /// <param name="permission"><see langword="true"/> if the command is available in dms, otherwise <see langword="false"/>.</param>
+        /// <returns>The current builder.</returns>
+        public MessageCommandBuilder WithDMPermission(bool permission)
+        {
+            IsDMEnabled = permission;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets the default member permissions required to use this application command.
+        /// </summary>
+        /// <param name="permissions">The permissions required to use this command.</param>
+        /// <returns>The current builder.</returns>
+        public MessageCommandBuilder WithDefaultMemberPermissions(GuildPermission? permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
     }
 }

src/Discord.Net.Core/Entities/Interactions/ContextMenus/UserCommandBuilder.cs

@@ -31,6 +31,16 @@ namespace Discord
         /// </summary>
         public bool IsDefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets or sets whether or not this command can be used in DMs.
+        /// </summary>
+        public bool IsDMEnabled { get; set; } = true;
+
+        /// <summary>
+        ///     Gets or sets the default permission required to use this slash command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; }
+
         private string _name;
 
         /// <summary>
@@ -42,7 +52,9 @@ namespace Discord
             var props = new UserCommandProperties
             {
                 Name = Name,
-                IsDefaultPermission = IsDefaultPermission
+                IsDefaultPermission = IsDefaultPermission,
+                IsDMEnabled = IsDMEnabled,
+                DefaultMemberPermissions = DefaultMemberPermissions ?? Optional<GuildPermission>.Unspecified
             };
 
             return props;
@@ -71,5 +83,27 @@ namespace Discord
             IsDefaultPermission = isDefaultPermission;
             return this;
         }
+
+        /// <summary>
+        ///     Sets whether or not this command can be used in dms
+        /// </summary>
+        /// <param name="permission"><see langword="true"/> if the command is available in dms, otherwise <see langword="false"/>.</param>
+        /// <returns>The current builder.</returns>
+        public UserCommandBuilder WithDMPermission(bool permission)
+        {
+            IsDMEnabled = permission;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets the default member permissions required to use this application command.
+        /// </summary>
+        /// <param name="permissions">The permissions required to use this command.</param>
+        /// <returns>The current builder.</returns>
+        public UserCommandBuilder WithDefaultMemberPermissions(GuildPermission? permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
     }
 }

src/Discord.Net.Core/Entities/Interactions/IApplicationCommand.cs

@@ -34,6 +34,19 @@ namespace Discord
         /// </summary>
         bool IsDefaultPermission { get; }
 
+        /// <summary>
+        ///     Indicates whether the command is available in DMs with the app.
+        /// </summary>
+        /// <remarks>
+        ///     Only for globally-scoped commands.
+        /// </remarks>
+        bool IsEnabledInDm { get; }
+
+        /// <summary>
+        ///     Set of default <see cref="GuildPermission"/> required to invoke the command.
+        /// </summary>
+        GuildPermissions DefaultMemberPermissions { get; }
+
         /// <summary>
         ///     Gets a collection of options for this application command.
         /// </summary>

src/Discord.Net.Core/Entities/Interactions/SlashCommands/SlashCommandBuilder.cs

@@ -81,6 +81,16 @@ namespace Discord
         /// </summary>
         public bool IsDefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets or sets whether or not this command can be used in DMs.
+        /// </summary>
+        public bool IsDMEnabled { get; set; } = true;
+
+        /// <summary>
+        ///     Gets or sets the default permission required to use this slash command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; }
+
         private string _name;
         private string _description;
         private List<SlashCommandOptionBuilder> _options;
@@ -96,6 +106,8 @@ namespace Discord
                 Name = Name,
                 Description = Description,
                 IsDefaultPermission = IsDefaultPermission,
+                IsDMEnabled = IsDMEnabled,
+                DefaultMemberPermissions = DefaultMemberPermissions ?? Optional<GuildPermission>.Unspecified
             };
 
             if (Options != null && Options.Any())
@@ -145,6 +157,28 @@ namespace Discord
             return this;
         }
 
+        /// <summary>
+        ///     Sets whether or not this command can be used in dms
+        /// </summary>
+        /// <param name="permission"><see langword="true"/> if the command is available in dms, otherwise <see langword="false"/>.</param>
+        /// <returns>The current builder.</returns>
+        public SlashCommandBuilder WithDMPermission(bool permission)
+        {
+            IsDMEnabled = permission;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets the default member permissions required to use this application command.
+        /// </summary>
+        /// <param name="permissions">The permissions required to use this command.</param>
+        /// <returns>The current builder.</returns>
+        public SlashCommandBuilder WithDefaultMemberPermissions(GuildPermission? permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
+
         /// <summary>
         ///     Adds an option to the current slash command.
         /// </summary>

src/Discord.Net.Interactions/Attributes/DefaultMemberPermissionAttribute.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace Discord.Interactions
+{
+    /// <summary>
+    ///     Sets the <see cref="IApplicationCommandInfo.DefaultMemberPermissions"/> of an application command or module.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+    public class DefaultMemberPermissionsAttribute : Attribute
+    {
+        /// <summary>
+        ///     Gets the default permission required to use this command.
+        /// </summary>
+        public GuildPermission Permissions { get; }
+
+        /// <summary>
+        ///     Sets the <see cref="IApplicationCommandInfo.DefaultMemberPermissions"/> of an application command or module.
+        /// </summary>
+        /// <param name="permissions">The default permission required to use this command.</param>
+        public DefaultMemberPermissionsAttribute(GuildPermission permissions)
+        {
+            Permissions = permissions;
+        }
+    }
+}

src/Discord.Net.Interactions/Attributes/DefaultPermissionAttribute.cs

@@ -6,6 +6,7 @@ namespace Discord.Interactions
     ///     Set the "Default Permission" property of an Application Command.
     /// </summary>
     [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+    [Obsolete($"Soon to be deprecated, use Permissions-v2 attributes like {nameof(EnabledInDmAttribute)} and {nameof(DefaultMemberPermissionsAttribute)}")]
     public class DefaultPermissionAttribute : Attribute
     {
         /// <summary>

src/Discord.Net.Interactions/Attributes/EnabledInDmAttribute.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace Discord.Interactions
+{
+    /// <summary>
+    ///     Sets the <see cref="IApplicationCommandInfo.IsEnabledInDm"/> property of an application command or module.
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, AllowMultiple = false, Inherited = true)]
+    public class EnabledInDmAttribute : Attribute
+    {
+        /// <summary>
+        ///     Gets whether or not this command can be used in DMs.
+        /// </summary>
+        public bool IsEnabled { get; }
+
+        /// <summary>
+        ///     Sets the <see cref="IApplicationCommandInfo.IsEnabledInDm"/> property of an application command or module.
+        /// </summary>
+        /// <param name="isEnabled">Whether or not this command can be used in DMs.</param>
+        public EnabledInDmAttribute(bool isEnabled)
+        {
+            IsEnabled = isEnabled;
+        }
+    }
+}

src/Discord.Net.Interactions/Builders/Commands/ContextCommandBuilder.cs

@@ -17,8 +17,19 @@ namespace Discord.Interactions.Builders
         /// <summary>
         ///     Gets the default permission of this command.
         /// </summary>
+        [Obsolete($"To be deprecated soon, use {nameof(IsEnabledInDm)} and {nameof(DefaultMemberPermissions)} instead.")]
         public bool DefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets whether this command can be used in DMs.
+        /// </summary>
+        public bool IsEnabledInDm { get; set; } = true;
+
+        /// <summary>
+        ///     Gets the default permissions needed for executing this command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; } = null;
+
         internal ContextCommandBuilder (ModuleBuilder module) : base(module) { }
 
         /// <summary>
@@ -49,6 +60,7 @@ namespace Discord.Interactions.Builders
         /// <returns>
         ///     The builder instance.
         /// </returns>
+        [Obsolete($"To be deprecated soon, use {nameof(SetEnabledInDm)} and {nameof(WithDefaultMemberPermissions)} instead.")]
         public ContextCommandBuilder SetDefaultPermission (bool defaultPermision)
         {
             DefaultPermission = defaultPermision;
@@ -70,6 +82,32 @@ namespace Discord.Interactions.Builders
             return this;
         }
 
+        /// <summary>
+        ///     Sets <see cref="IsEnabledInDm"/>.
+        /// </summary>
+        /// <param name="isEnabled">New value of the <see cref="IsEnabledInDm"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public ContextCommandBuilder SetEnabledInDm(bool isEnabled)
+        {
+            IsEnabledInDm = isEnabled;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets <see cref="DefaultMemberPermissions"/>.
+        /// </summary>
+        /// <param name="permissions">New value of the <see cref="DefaultMemberPermissions"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public ContextCommandBuilder WithDefaultMemberPermissions(GuildPermission permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
+
         internal override ContextCommandInfo Build (ModuleInfo module, InteractionService commandService) =>
             ContextCommandInfo.Create(this, module, commandService);
     }

src/Discord.Net.Interactions/Builders/Commands/SlashCommandBuilder.cs

@@ -17,8 +17,19 @@ namespace Discord.Interactions.Builders
         /// <summary>
         ///     Gets and sets the default permission of this command.
         /// </summary>
+        [Obsolete($"To be deprecated soon, use {nameof(IsEnabledInDm)} and {nameof(DefaultMemberPermissions)} instead.")]
         public bool DefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets whether this command can be used in DMs.
+        /// </summary>
+        public bool IsEnabledInDm { get; set; } = true;
+
+        /// <summary>
+        ///     Gets the default permissions needed for executing this command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; } = null;
+
         internal SlashCommandBuilder (ModuleBuilder module) : base(module) { }
 
         /// <summary>
@@ -49,6 +60,7 @@ namespace Discord.Interactions.Builders
         /// <returns>
         ///     The builder instance.
         /// </returns>
+        [Obsolete($"To be deprecated soon, use {nameof(SetEnabledInDm)} and {nameof(WithDefaultMemberPermissions)} instead.")]
         public SlashCommandBuilder WithDefaultPermission (bool permission)
         {
             DefaultPermission = permission;
@@ -70,6 +82,32 @@ namespace Discord.Interactions.Builders
             return this;
         }
 
+        /// <summary>
+        ///     Sets <see cref="IsEnabledInDm"/>.
+        /// </summary>
+        /// <param name="isEnabled">New value of the <see cref="IsEnabledInDm"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public SlashCommandBuilder SetEnabledInDm(bool isEnabled)
+        {
+            IsEnabledInDm = isEnabled;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets <see cref="DefaultMemberPermissions"/>.
+        /// </summary>
+        /// <param name="permissions">New value of the <see cref="DefaultMemberPermissions"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public SlashCommandBuilder WithDefaultMemberPermissions(GuildPermission permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
+
         internal override SlashCommandInfo Build (ModuleInfo module, InteractionService commandService) =>
             new SlashCommandInfo(this, module, commandService);
     }

src/Discord.Net.Interactions/Builders/ModuleBuilder.cs

@@ -51,8 +51,19 @@ namespace Discord.Interactions.Builders
         /// <summary>
         ///     Gets and sets the default permission of this module.
         /// </summary>
+        [Obsolete($"To be deprecated soon, use {nameof(IsEnabledInDm)} and {nameof(DefaultMemberPermissions)} instead.")]
         public bool DefaultPermission { get; set; } = true;
 
+        /// <summary>
+        ///     Gets whether this command can be used in DMs.
+        /// </summary>
+        public bool IsEnabledInDm { get; set; } = true;
+
+        /// <summary>
+        ///     Gets the default permissions needed for executing this command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; set; } = null;
+
         /// <summary>
         ///     Gets and sets whether this has a <see cref="DontAutoRegisterAttribute"/>.
         /// </summary>
@@ -159,12 +170,39 @@ namespace Discord.Interactions.Builders
         /// <returns>
         ///     The builder instance.
         /// </returns>
+        [Obsolete($"To be deprecated soon, use {nameof(SetEnabledInDm)} and {nameof(WithDefaultMemberPermissions)} instead.")]
         public ModuleBuilder WithDefaultPermission (bool permission)
         {
             DefaultPermission = permission;
             return this;
         }
 
+        /// <summary>
+        ///     Sets <see cref="IsEnabledInDm"/>.
+        /// </summary>
+        /// <param name="isEnabled">New value of the <see cref="IsEnabledInDm"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public ModuleBuilder SetEnabledInDm(bool isEnabled)
+        {
+            IsEnabledInDm = isEnabled;
+            return this;
+        }
+
+        /// <summary>
+        ///     Sets <see cref="DefaultMemberPermissions"/>.
+        /// </summary>
+        /// <param name="permissions">New value of the <see cref="DefaultMemberPermissions"/>.</param>
+        /// <returns>
+        ///     The builder instance.
+        /// </returns>
+        public ModuleBuilder WithDefaultMemberPermissions(GuildPermission permissions)
+        {
+            DefaultMemberPermissions = permissions;
+            return this;
+        }
+
         /// <summary>
         ///     Adds attributes to <see cref="Attributes"/>.
         /// </summary>

src/Discord.Net.Interactions/Builders/ModuleClassBuilder.cs

@@ -85,6 +85,16 @@ namespace Discord.Interactions.Builders
                             builder.DefaultPermission = defPermission.IsDefaultPermission;
                         }
                         break;
+                    case EnabledInDmAttribute enabledInDm:
+                        {
+                            builder.IsEnabledInDm = enabledInDm.IsEnabled;
+                        }
+                        break;
+                    case DefaultMemberPermissionsAttribute memberPermission:
+                        {
+                            builder.DefaultMemberPermissions = memberPermission.Permissions;
+                        }
+                        break;
                     case PreconditionAttribute precondition:
                         builder.AddPreconditions(precondition);
                         break;
@@ -169,6 +179,16 @@ namespace Discord.Interactions.Builders
                             builder.DefaultPermission = defaultPermission.IsDefaultPermission;
                         }
                         break;
+                    case EnabledInDmAttribute enabledInDm:
+                        {
+                            builder.IsEnabledInDm = enabledInDm.IsEnabled;
+                        }
+                        break;
+                    case DefaultMemberPermissionsAttribute memberPermission:
+                        {
+                            builder.DefaultMemberPermissions = memberPermission.Permissions;
+                        }
+                        break;
                     case PreconditionAttribute precondition:
                         builder.WithPreconditions(precondition);
                         break;
@@ -211,6 +231,16 @@ namespace Discord.Interactions.Builders
                             builder.DefaultPermission = defaultPermission.IsDefaultPermission;
                         }
                         break;
+                    case EnabledInDmAttribute enabledInDm:
+                        {
+                            builder.IsEnabledInDm = enabledInDm.IsEnabled;
+                        }
+                        break;
+                    case DefaultMemberPermissionsAttribute memberPermission:
+                        {
+                            builder.DefaultMemberPermissions = memberPermission.Permissions;
+                        }
+                        break;
                     case PreconditionAttribute precondition:
                         builder.WithPreconditions(precondition);
                         break;

src/Discord.Net.Interactions/Info/Commands/ContextCommands/ContextCommandInfo.cs

@@ -17,6 +17,12 @@ namespace Discord.Interactions
         /// <inheritdoc/>
         public bool DefaultPermission { get; }
 
+        /// <inheritdoc/>
+        public bool IsEnabledInDm { get; }
+
+        /// <inheritdoc/>
+        public GuildPermission? DefaultMemberPermissions { get; }
+
         /// <inheritdoc/>
         public override IReadOnlyCollection<CommandParameterInfo> Parameters { get; }
 
@@ -31,6 +37,8 @@ namespace Discord.Interactions
         {
             CommandType = builder.CommandType;
             DefaultPermission = builder.DefaultPermission;
+            IsEnabledInDm = builder.IsEnabledInDm;
+            DefaultMemberPermissions = builder.DefaultMemberPermissions;
             Parameters = builder.Parameters.Select(x => x.Build(this)).ToImmutableArray();
         }
 

src/Discord.Net.Interactions/Info/Commands/SlashCommandInfo.cs

@@ -26,6 +26,12 @@ namespace Discord.Interactions
         /// <inheritdoc/>
         public bool DefaultPermission { get; }
 
+        /// <inheritdoc/>
+        public bool IsEnabledInDm { get; }
+
+        /// <inheritdoc/>
+        public GuildPermission? DefaultMemberPermissions { get; }
+
         /// <inheritdoc/>
         public override IReadOnlyCollection<SlashCommandParameterInfo> Parameters { get; }
 
@@ -41,6 +47,8 @@ namespace Discord.Interactions
         {
             Description = builder.Description;
             DefaultPermission = builder.DefaultPermission;
+            IsEnabledInDm = builder.IsEnabledInDm;
+            DefaultMemberPermissions = builder.DefaultMemberPermissions;
             Parameters = builder.Parameters.Select(x => x.Build(this)).ToImmutableArray();
             FlattenedParameters = FlattenParameters(Parameters).ToImmutableArray();
 

src/Discord.Net.Interactions/Info/IApplicationCommandInfo.cs

@@ -1,3 +1,5 @@
+using System;
+
 namespace Discord.Interactions
 {
     /// <summary>
@@ -18,6 +20,17 @@ namespace Discord.Interactions
         /// <summary>
         ///     Gets the DefaultPermission of this command.
         /// </summary>
+        [Obsolete($"To be deprecated soon, use {nameof(IsEnabledInDm)} and {nameof(DefaultMemberPermissions)} instead.")]
         bool DefaultPermission { get; }
+
+        /// <summary>
+        ///     Gets whether this command can be used in DMs.
+        /// </summary>
+        public bool IsEnabledInDm { get; }
+
+        /// <summary>
+        ///     Gets the default permissions needed for executing this command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; }
     }
 }

src/Discord.Net.Interactions/Info/ModuleInfo.cs

@@ -41,8 +41,19 @@ namespace Discord.Interactions
         /// <summary>
         ///     Gets the default Permission of this module.
         /// </summary>
+        [Obsolete($"To be deprecated soon, use {nameof(IsEnabledInDm)} and {nameof(DefaultMemberPermissions)} instead.")]
         public bool DefaultPermission { get; }
 
+        /// <summary>
+        ///     Gets whether this command can be used in DMs.
+        /// </summary>
+        public bool IsEnabledInDm { get; }
+
+        /// <summary>
+        ///     Gets the default permissions needed for executing this command.
+        /// </summary>
+        public GuildPermission? DefaultMemberPermissions { get; }
+
         /// <summary>
         ///     Gets the collection of Sub Modules of this module.
         /// </summary>
@@ -110,6 +121,8 @@ namespace Discord.Interactions
             Description = builder.Description;
             Parent = parent;
             DefaultPermission = builder.DefaultPermission;
+            IsEnabledInDm = builder.IsEnabledInDm;
+            DefaultMemberPermissions = BuildDefaultMemberPermissions(builder);
             SlashCommands = BuildSlashCommands(builder).ToImmutableArray();
             ContextCommands = BuildContextCommands(builder).ToImmutableArray();
             ComponentCommands = BuildComponentCommands(builder).ToImmutableArray();
@@ -226,5 +239,20 @@ namespace Discord.Interactions
             }
             return true;
         }
+
+        private static GuildPermission? BuildDefaultMemberPermissions(ModuleBuilder builder)
+        {
+            var permissions = builder.DefaultMemberPermissions;
+
+            var parent = builder.Parent;
+
+            while (parent != null)
+            {
+                permissions = (permissions ?? 0) | (parent.DefaultMemberPermissions ?? 0);
+                parent = parent.Parent;
+            }
+
+            return permissions;
+        }
     }
 }

src/Discord.Net.Interactions/Utilities/ApplicationCommandRestUtil.cs

@@ -40,7 +40,8 @@ namespace Discord.Interactions
             {
                 Name = commandInfo.Name,
                 Description = commandInfo.Description,
-                IsDefaultPermission = commandInfo.DefaultPermission,
+                IsDMEnabled = commandInfo.IsEnabledInDm,
+                DefaultMemberPermissions = (commandInfo.DefaultMemberPermissions ?? 0) | (commandInfo.Module.DefaultMemberPermissions ?? 0)
             }.Build();
 
             if (commandInfo.Parameters.Count > SlashCommandBuilder.MaxOptionsCount)
@@ -64,8 +65,20 @@ namespace Discord.Interactions
         public static ApplicationCommandProperties ToApplicationCommandProps(this ContextCommandInfo commandInfo)
             => commandInfo.CommandType switch
             {
-                ApplicationCommandType.Message => new MessageCommandBuilder { Name = commandInfo.Name, IsDefaultPermission = commandInfo.DefaultPermission}.Build(),
-                ApplicationCommandType.User => new UserCommandBuilder { Name = commandInfo.Name, IsDefaultPermission=commandInfo.DefaultPermission}.Build(),
+                ApplicationCommandType.Message => new MessageCommandBuilder
+                {
+                    Name = commandInfo.Name,
+                    IsDefaultPermission = commandInfo.DefaultPermission,
+                    DefaultMemberPermissions = (commandInfo.DefaultMemberPermissions ?? 0) | (commandInfo.Module.DefaultMemberPermissions ?? 0),
+                    IsDMEnabled = commandInfo.IsEnabledInDm
+                }.Build(),
+                ApplicationCommandType.User => new UserCommandBuilder
+                {
+                    Name = commandInfo.Name,
+                    IsDefaultPermission = commandInfo.DefaultPermission,
+                    DefaultMemberPermissions = (commandInfo.DefaultMemberPermissions ?? 0) | (commandInfo.Module.DefaultMemberPermissions ?? 0),
+                    IsDMEnabled = commandInfo.IsEnabledInDm
+                }.Build(),
                 _ => throw new InvalidOperationException($"{commandInfo.CommandType} isn't a supported command type.")
             };
         #endregion
@@ -113,6 +126,8 @@ namespace Discord.Interactions
                     Name = moduleInfo.SlashGroupName,
                     Description = moduleInfo.Description,
                     IsDefaultPermission = moduleInfo.DefaultPermission,
+                    IsDMEnabled = moduleInfo.IsEnabledInDm,
+                    DefaultMemberPermissions = moduleInfo.DefaultMemberPermissions
                 }.Build();
 
                 if (options.Count > SlashCommandBuilder.MaxOptionsCount)

src/Discord.Net.Rest/API/Common/ApplicationCommand.cs

@@ -24,5 +24,12 @@ namespace Discord.API
 
         [JsonProperty("default_permission")]
         public Optional<bool> DefaultPermissions { get; set; }
+
+        // V2 Permissions
+        [JsonProperty("dm_permission")]
+        public Optional<bool?> DmPermission { get; set; }
+
+        [JsonProperty("default_member_permissions")]
+        public Optional<GuildPermission?> DefaultMemberPermission { get; set; }
     }
 }

src/Discord.Net.Rest/API/Rest/CreateApplicationCommandParams.cs

@@ -19,6 +19,12 @@ namespace Discord.API.Rest
         [JsonProperty("default_permission")]
         public Optional<bool> DefaultPermission { get; set; }
 
+        [JsonProperty("dm_permission")]
+        public Optional<bool?> DmPermission { get; set; }
+
+        [JsonProperty("default_member_permissions")]
+        public Optional<GuildPermission?> DefaultMemberPermission { get; set; }
+
         public CreateApplicationCommandParams() { }
         public CreateApplicationCommandParams(string name, string description, ApplicationCommandType type, ApplicationCommandOption[] options = null)
         {

src/Discord.Net.Rest/Entities/Interactions/InteractionHelper.cs

@@ -100,7 +100,12 @@ namespace Discord.Rest
                 Type = arg.Type,
                 DefaultPermission = arg.IsDefaultPermission.IsSpecified
                         ? arg.IsDefaultPermission.Value
-                        : Optional<bool>.Unspecified
+                        : Optional<bool>.Unspecified,
+
+                // TODO: better conversion to nullable optionals
+                DefaultMemberPermission = arg.DefaultMemberPermissions.ToNullable(),
+                DmPermission = arg.IsDMEnabled.ToNullable() 
+                
             };
 
             if (arg is SlashCommandProperties slashProps)
@@ -134,7 +139,11 @@ namespace Discord.Rest
                     Type = arg.Type,
                     DefaultPermission = arg.IsDefaultPermission.IsSpecified
                         ? arg.IsDefaultPermission.Value
-                        : Optional<bool>.Unspecified
+                        : Optional<bool>.Unspecified,
+
+                    // TODO: better conversion to nullable optionals
+                    DefaultMemberPermission = arg.DefaultMemberPermissions.ToNullable(),
+                    DmPermission = arg.IsDMEnabled.ToNullable()
                 };
 
                 if (arg is SlashCommandProperties slashProps)
@@ -171,7 +180,11 @@ namespace Discord.Rest
                     Type = arg.Type,
                     DefaultPermission = arg.IsDefaultPermission.IsSpecified
                         ? arg.IsDefaultPermission.Value
-                        : Optional<bool>.Unspecified
+                        : Optional<bool>.Unspecified,
+
+                    // TODO: better conversion to nullable optionals
+                    DefaultMemberPermission = arg.DefaultMemberPermissions.ToNullable(),
+                    DmPermission = arg.IsDMEnabled.ToNullable()
                 };
 
                 if (arg is SlashCommandProperties slashProps)
@@ -285,7 +298,11 @@ namespace Discord.Rest
                 Type = arg.Type,
                 DefaultPermission = arg.IsDefaultPermission.IsSpecified
                         ? arg.IsDefaultPermission.Value
-                        : Optional<bool>.Unspecified
+                        : Optional<bool>.Unspecified,
+
+                // TODO: better conversion to nullable optionals
+                DefaultMemberPermission = arg.DefaultMemberPermissions.ToNullable(),
+                DmPermission = arg.IsDMEnabled.ToNullable()
             };
 
             if (arg is SlashCommandProperties slashProps)

src/Discord.Net.Rest/Entities/Interactions/RestApplicationCommand.cs

@@ -27,6 +27,12 @@ namespace Discord.Rest
         /// <inheritdoc/>
         public bool IsDefaultPermission { get; private set; }
 
+        /// <inheritdoc/>
+        public bool IsEnabledInDm { get; private set; }
+
+        /// <inheritdoc/>
+        public GuildPermissions DefaultMemberPermissions { get; private set; }
+
         /// <summary>
         ///     Gets a collection of options for this command.
         /// </summary>
@@ -57,6 +63,10 @@ namespace Discord.Rest
             Options = model.Options.IsSpecified
                 ? model.Options.Value.Select(RestApplicationCommandOption.Create).ToImmutableArray()
                 : ImmutableArray.Create<RestApplicationCommandOption>();
+
+            IsEnabledInDm = model.DmPermission.GetValueOrDefault(true).GetValueOrDefault(true);
+            DefaultMemberPermissions = model.DefaultMemberPermission.IsSpecified
+                ? new GuildPermissions((ulong)model.DefaultMemberPermission.Value) : GuildPermissions.None;
         }
 
         /// <inheritdoc/>

src/Discord.Net.WebSocket/Entities/Interaction/SocketBaseCommand/SocketApplicationCommand.cs

@@ -36,6 +36,12 @@ namespace Discord.WebSocket
         /// <inheritdoc/>
         public bool IsDefaultPermission { get; private set; }
 
+        /// <inheritdoc/>
+        public bool IsEnabledInDm { get; private set; }
+
+        /// <inheritdoc/>
+        public GuildPermissions DefaultMemberPermissions { get; private set; }
+
         /// <summary>
         ///     Gets a collection of <see cref="SocketApplicationCommandOption"/>s for this command.
         /// </summary>
@@ -86,6 +92,10 @@ namespace Discord.WebSocket
             Options = model.Options.IsSpecified
                 ? model.Options.Value.Select(SocketApplicationCommandOption.Create).ToImmutableArray()
                 : ImmutableArray.Create<SocketApplicationCommandOption>();
+
+            IsEnabledInDm = model.DmPermission.GetValueOrDefault(true).GetValueOrDefault(true);
+            DefaultMemberPermissions = model.DefaultMemberPermission.IsSpecified
+                ? new GuildPermissions((ulong)model.DefaultMemberPermission.Value) : GuildPermissions.None;
         }
 
         /// <inheritdoc/>