diff --git a/photon-lib/py/photonlibpy/targeting/photonPipelineResult.py b/photon-lib/py/photonlibpy/targeting/photonPipelineResult.py
index 4a74e5747..4160750f5 100644
--- a/photon-lib/py/photonlibpy/targeting/photonPipelineResult.py
+++ b/photon-lib/py/photonlibpy/targeting/photonPipelineResult.py
@@ -15,6 +15,8 @@ class PhotonPipelineMetadata:
     # Mirror of the heartbeat entry -- monotonically increasing
     sequenceID: int = -1
 
+    timeSinceLastPong: int = -1
+
     photonStruct: "PhotonPipelineMetadataSerde" = None