diff --git a/src/activities/Elsa.Activities.Telnyx/Webhooks/Payloads/Call/CallInitiatedPayload.cs b/src/activities/Elsa.Activities.Telnyx/Webhooks/Payloads/Call/CallInitiatedPayload.cs
index 59dd735c5..8d102272b 100644
--- a/src/activities/Elsa.Activities.Telnyx/Webhooks/Payloads/Call/CallInitiatedPayload.cs
+++ b/src/activities/Elsa.Activities.Telnyx/Webhooks/Payloads/Call/CallInitiatedPayload.cs
@@ -1,4 +1,5 @@
 using Elsa.Activities.Telnyx.Webhooks.Attributes;
+using NodaTime;
 
 namespace Elsa.Activities.Telnyx.Webhooks.Payloads.Call
 {
@@ -11,5 +12,6 @@ namespace Elsa.Activities.Telnyx.Webhooks.Payloads.Call
         public string State { get; init; } = default!;
         public string To { get; init; } = default!;
         public string From { get; init; } = default!;
+        public Instant StartTime { get; set; } = default!;
     }
 }
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