diff --git a/framework/src/Volo.Abp.Core/Volo/Abp/Internal/Telemetry/Constants/ActivityPropertyNames.cs b/framework/src/Volo.Abp.Core/Volo/Abp/Internal/Telemetry/Constants/ActivityPropertyNames.cs
index 924cd1dd7d..0157c61bb8 100644
--- a/framework/src/Volo.Abp.Core/Volo/Abp/Internal/Telemetry/Constants/ActivityPropertyNames.cs
+++ b/framework/src/Volo.Abp.Core/Volo/Abp/Internal/Telemetry/Constants/ActivityPropertyNames.cs
@@ -12,6 +12,7 @@ public static class ActivityPropertyNames
     public const string IpAddress = "IpAddress";
     public const string IsFirstSession = "IsFirstSession";
     public const string DeviceId = "DeviceId";
+    public const string UserDeviceId = "UserDeviceId";
     public const string DeviceLanguage = "DeviceLanguage";
     public const string OperatingSystem = "OperatingSystem";
     public const string CountryIsoCode = "CountryIsoCode";