diff --git a/hta/configs/default_event_args.py b/hta/configs/default_event_args.py
index ec3afdb..ee51b8a 100644
--- a/hta/configs/default_event_args.py
+++ b/hta/configs/default_event_args.py
@@ -250,6 +250,11 @@
     raw_name: Rank
     value_type: Int
     default_value: -1
+  nccl::seq:
+    name: seq_num
+    raw_name: Seq
+    value_type: Int
+    default_value: -1
   inference::batch_size:
     name: batch_size
     raw_name: batchSize
diff --git a/hta/configs/event_args_formats/event_args_1.0.0.yaml b/hta/configs/event_args_formats/event_args_1.0.0.yaml
index 0497df5..bdc2c76 100644
--- a/hta/configs/event_args_formats/event_args_1.0.0.yaml
+++ b/hta/configs/event_args_formats/event_args_1.0.0.yaml
@@ -249,6 +249,11 @@ AVAILABLE_ARGS:
     raw_name: Rank
     value_type: Int
     default_value: -1
+  nccl::seq:
+    name: seq_num
+    raw_name: Seq
+    value_type: Int
+    default_value: -1
   inference::batch_size:
     name: batch_size
     raw_name: batchSize