diff --git a/python/ray/projects/scripts.py b/python/ray/projects/scripts.py
index f2b67a38f..028f1ac6f 100644
--- a/python/ray/projects/scripts.py
+++ b/python/ray/projects/scripts.py
@@ -270,10 +270,11 @@ def get_session_runs(name, command, parsed_args):
         List of sessions to start, which are dictionaries with keys:
             "name": Name of the session to start,
             "command": Command to run after starting the session,
+            "params": Parameters for this run,
             "num_steps": 4 if a command should be run, 3 if not.
     """
     if not command:
-        return [{"name": name, "command": None, "num_steps": 3}]
+        return [{"name": name, "command": None, "params": {}, "num_steps": 3}]
 
     # Try to find a wildcard argument (i.e. one that has a list of values)
     # and give an error if there is more than one (currently unsupported).
@@ -290,6 +291,7 @@ def get_session_runs(name, command, parsed_args):
         session_run = {
             "name": name,
             "command": format_command(command, parsed_args),
+            "params": parsed_args,
             "num_steps": 4
         }
         return [session_run]
@@ -301,6 +303,7 @@ def get_session_runs(name, command, parsed_args):
             session_run = {
                 "name": "{}-{}-{}".format(name, wildcard_arg, val),
                 "command": format_command(command, parsed_args),
+                "params": parsed_args,
                 "num_steps": 4
             }
             session_runs.append(session_run)