diff --git a/src/activities/Elsa.Activities.Email/Activities/SendEmail/SendEmailExtensions.cs b/src/activities/Elsa.Activities.Email/Activities/SendEmail/SendEmailExtensions.cs
index 624a3b6c0..f756daa0d 100644
--- a/src/activities/Elsa.Activities.Email/Activities/SendEmail/SendEmailExtensions.cs
+++ b/src/activities/Elsa.Activities.Email/Activities/SendEmail/SendEmailExtensions.cs
@@ -36,5 +36,9 @@ namespace Elsa.Activities.Email
         public static ISetupActivity<SendEmail> WithBody(this ISetupActivity<SendEmail> activity, Func<ActivityExecutionContext, string> value) => activity.Set(x => x.Body, value);
         public static ISetupActivity<SendEmail> WithBody(this ISetupActivity<SendEmail> activity, Func<string> value) => activity.Set(x => x.Body, value);
         public static ISetupActivity<SendEmail> WithBody(this ISetupActivity<SendEmail> activity, string value) => activity.Set(x => x.Body, value);
+        
+        public static ISetupActivity<SendEmail> WithAttachments(this ISetupActivity<SendEmail> activity, Func<ActivityExecutionContext, object> value) => activity.Set(x => x.Attachments, value);
+        public static ISetupActivity<SendEmail> WithAttachments(this ISetupActivity<SendEmail> activity, Func<object> value) => activity.Set(x => x.Attachments, value);
+        public static ISetupActivity<SendEmail> WithAttachments(this ISetupActivity<SendEmail> activity, object value) => activity.Set(x => x.Attachments, value);
     }
 }
\ No newline at end of file
diff --git a/src/activities/Elsa.Activities.Telnyx/Activities/StartRecording.cs b/src/activities/Elsa.Activities.Telnyx/Activities/StartRecording.cs
index bc0e3799a..0ec7e69a8 100644
--- a/src/activities/Elsa.Activities.Telnyx/Activities/StartRecording.cs
+++ b/src/activities/Elsa.Activities.Telnyx/Activities/StartRecording.cs
@@ -1,10 +1,12 @@
-using System.Threading.Tasks;
+using System;
+using System.Threading.Tasks;
 using Elsa.Activities.Telnyx.Client.Models;
 using Elsa.Activities.Telnyx.Client.Services;
 using Elsa.Activities.Telnyx.Extensions;
 using Elsa.Activities.Telnyx.Webhooks.Payloads.Call;
 using Elsa.ActivityResults;
 using Elsa.Attributes;
+using Elsa.Builders;
 using Elsa.Design;
 using Elsa.Exceptions;
 using Elsa.Expressions;
@@ -104,4 +106,31 @@ namespace Elsa.Activities.Telnyx.Activities
 
         private static string? EmptyToNull(string? value) => value is "" ? null : value;
     }
+    
+    public static class StartRecordingExtensions
+    {
+        public static ISetupActivity<StartRecording> WithCallControlId(this ISetupActivity<StartRecording> setup, Func<ActivityExecutionContext, ValueTask<string?>> value) => setup.Set(x => x.CallControlId, value);
+        public static ISetupActivity<StartRecording> WithCallControlId(this ISetupActivity<StartRecording> setup, Func<ActivityExecutionContext, string?> value) => setup.Set(x => x.CallControlId, value);
+        public static ISetupActivity<StartRecording> WithCallControlId(this ISetupActivity<StartRecording> setup, Func<ValueTask<string?>> value) => setup.Set(x => x.CallControlId, value);
+        public static ISetupActivity<StartRecording> WithCallControlId(this ISetupActivity<StartRecording> setup, Func<string?> value) => setup.Set(x => x.CallControlId, value);
+        public static ISetupActivity<StartRecording> WithCallControlId(this ISetupActivity<StartRecording> setup, string? value) => setup.Set(x => x.CallControlId, value);
+        
+        public static ISetupActivity<StartRecording> WithChannels(this ISetupActivity<StartRecording> setup, Func<ActivityExecutionContext, ValueTask<string?>> value) => setup.Set(x => x.Channels, value);
+        public static ISetupActivity<StartRecording> WithChannels(this ISetupActivity<StartRecording> setup, Func<ActivityExecutionContext, string?> value) => setup.Set(x => x.Channels, value);
+        public static ISetupActivity<StartRecording> WithChannels(this ISetupActivity<StartRecording> setup, Func<ValueTask<string?>> value) => setup.Set(x => x.Channels, value);
+        public static ISetupActivity<StartRecording> WithChannels(this ISetupActivity<StartRecording> setup, Func<string?> value) => setup.Set(x => x.Channels, value);
+        public static ISetupActivity<StartRecording> WithChannels(this ISetupActivity<StartRecording> setup, string? value) => setup.Set(x => x.Channels, value);
+        
+        public static ISetupActivity<StartRecording> WithFormat(this ISetupActivity<StartRecording> setup, Func<ActivityExecutionContext, ValueTask<string?>> value) => setup.Set(x => x.Format, value);
+        public static ISetupActivity<StartRecording> WithFormat(this ISetupActivity<StartRecording> setup, Func<ActivityExecutionContext, string?> value) => setup.Set(x => x.Format, value);
+        public static ISetupActivity<StartRecording> WithFormat(this ISetupActivity<StartRecording> setup, Func<ValueTask<string?>> value) => setup.Set(x => x.Format, value);
+        public static ISetupActivity<StartRecording> WithFormat(this ISetupActivity<StartRecording> setup, Func<string?> value) => setup.Set(x => x.Format, value);
+        public static ISetupActivity<StartRecording> WithFormat(this ISetupActivity<StartRecording> setup, string? value) => setup.Set(x => x.Format, value);
+        
+        public static ISetupActivity<StartRecording> WithPlayBeep(this ISetupActivity<StartRecording> setup, Func<ActivityExecutionContext, ValueTask<bool?>> value) => setup.Set(x => x.PlayBeep, value);
+        public static ISetupActivity<StartRecording> WithPlayBeep(this ISetupActivity<StartRecording> setup, Func<ActivityExecutionContext, bool?> value) => setup.Set(x => x.PlayBeep, value);
+        public static ISetupActivity<StartRecording> WithPlayBeep(this ISetupActivity<StartRecording> setup, Func<ValueTask<bool?>> value) => setup.Set(x => x.PlayBeep, value);
+        public static ISetupActivity<StartRecording> WithPlayBeep(this ISetupActivity<StartRecording> setup, Func<bool?> value) => setup.Set(x => x.PlayBeep, value);
+        public static ISetupActivity<StartRecording> WithPlayBeep(this ISetupActivity<StartRecording> setup, bool? value) => setup.Set(x => x.PlayBeep, value);
+    }
 }
\ No newline at end of file